{"title":"Towing Torque Converters","description":null,"products":[{"product_id":"4r100-e40d-4-bolt-night-stalker-200-rpm-over-stock-lock-up-ford-torque-converter-part-number-2440hd","title":"4R100 E40D 4 Bolt Night Stalker 200 RPM Over Stock Lock Up Ford Torque Converter Part Number 2440HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eFORD 4R100 E40D NIGHT STALKER SERIES Torque Converter - Part #2440HD\u003c\/h2\u003e \u003cp\u003eUnlock your transmission's full potential with our high-performance Night Stalker Series Torque Converter, precision-engineered for the Ford 4R100 E40D transmission. Designed to handle extreme duty applications, this converter ensures reliable power transfer and enhanced drivability when paired with quality fluids and proper installation. Built in the USA, this unit combines superior manufacturing with robust materials to withstand the toughest conditions.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Compatibility: Ford 4R100 E40D\u003c\/li\u003e \u003cli\u003ePart Number: 2440HD\u003c\/li\u003e \u003cli\u003eSeries Lineage: Night Stalker Series\u003c\/li\u003e \u003cli\u003eStall Range: 200 - 300 RPM Stall Added\u003c\/li\u003e \u003cli\u003eInput Shaft Splines: 31 Spline\u003c\/li\u003e \u003cli\u003eBolt Pattern: 4 Lug, Factory 11.4 inch Bolt Circle\u003c\/li\u003e \u003cli\u003eStator Construction: Modified Extreme Duty Stator\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Molly Impeller Hub\u003c\/li\u003e \u003cli\u003eBearings: Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eLock-up Clutch: Oversized Extreme Duty Single Disk Lock Up\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.375 inch\u003c\/li\u003e \u003cli\u003eFluid Type Recommendation: Designed for Type F Transmission Fluid\u003c\/li\u003e \u003cli\u003eConstruction Details: 4 Corner tac Welded Fins or Furnace Brazed, Extreme Temp Heavy Duty O-ring\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup; actual performance may vary depending on your vehicle's configuration.\u003c\/li\u003e \u003cli\u003eConsult our experts at 888-267-7464 for specific installation details regarding your vehicle.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Tips\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse a compatible transmission cooler for optimal heat management and extended life.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eEvery converter undergoes rigorous quality control, including leak testing, pressure testing, and digital balancing, ensuring it meets the highest standards of performance since 1970. Trust our family-owned and operated company for your high-performance drivetrain needs.\u003c\/p\u003e \u003csmall\u003eWarning: This product contains substances regulated by California Proposition 65. Visit www.P65warning.ca.gov for more information.\u003c\/small\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064182010102,"sku":"2440HD","price":474.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/1784821744662-395106727.jpg?v=1793210066"},{"product_id":"c4-24-spline-night-stalker-series-22-2-800-rpm-ford-torque-converter-part-number-25042","title":"C4 24 Spline Night Stalker Series 22-2,800 RPM Ford Torque Converter Part Number 25042","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter – Ford C4 Application (Part #25042)\u003c\/h2\u003e \u003cp\u003eElevate your drivetrain with our precision-engineered Night Stalker Series Torque Converter. Designed specifically for the Ford C4 application, this conversion unit provides excellent driving characteristics and reliable performance, making it the perfect upgrade for performance builds. Proudly Made in the USA, this high-quality torque converter is built to withstand extreme duty cycles while maintaining meticulous dimensional accuracy.\u003c\/p\u003e \u003cp\u003eThis torque converter is a couple of steps over stock, providing superior performance potential while maintaining reliable operational characteristics. Achieve your desired power transfer with the advertised stall range, perfectly matched to serious driving applications.\u003c\/p\u003e \u003ch3\u003eKey Product Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication Compatibility:\u003c\/strong\u003e Ford C4\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 25042\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 2,200 - 2,800 RPM\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Diameter:\u003c\/strong\u003e 12 Inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTorque Converter Type:\u003c\/strong\u003e Modified Extreme Duty Stator, Hardened Chrome Moley Impeller Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTurbine Specs:\u003c\/strong\u003e 24 Spline Turbine Hub, Precision CNC Machined\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot Diameter:\u003c\/strong\u003e 1.375 inch, Precision CNC Machined\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle:\u003c\/strong\u003e 11 7\/16 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConstruction Height:\u003c\/strong\u003e Built to 5 7\/8 inch Tall (Big Bellhousing Fitment)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFasteners:\u003c\/strong\u003e 3\/8 X 24 TPI Nut (Grade 8 Hardware Required)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlate Details:\u003c\/strong\u003e No Anti-Balloon Plates, Fins are 4 Corner Tac Welded or Furnace-Brazed\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eQuality Assurance \u0026amp; Performance\u003c\/h3\u003e \u003cp\u003eEvery unit undergoes rigorous testing to ensure maximum performance and longevity. This torque converter is Digitally Balanced, Leak \u0026amp; Pressure Tested, and benefits from Quality Inspections at Every Step of the manufacturing process.\u003c\/p\u003e \u003ch3\u003eInstallation \u0026amp; Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Old School Type F transmission fluid for optimal results.\u003c\/li\u003e \u003cli\u003eAlways utilize an additional Transmission Cooler in your setup.\u003c\/li\u003e \u003cli\u003eBlue Loctite is recommended for assembly security.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Build \u0026amp; Ordering Information\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eStall range performance is dependent on the specific vehicle setup and may vary. Please contact us for detailed consultation regarding your application.\u003c\/li\u003e \u003cli\u003eIf you have upgraded key components (Intake, Heads, Headers, Exhaust, Cam, or Gearing), we recommend considering a \"Street Bandit Series\" upgrade.\u003c\/li\u003e \u003cli\u003eFor extreme power adders such as Nitrous Oxide (NOS), Turbochargers, Superchargers, or Trans Brake systems, we advise upgrading to our \"Out Law Racing Series\" torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cem\u003eBuilding High Performance \u0026amp; Racing Converters Since 1970! Veteran Owned and Family Run. Contact us at (888) 267-7464 for expert advice on your build.\u003c\/em\u003e\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064182239478,"sku":"25042","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26402b-scaled-1.png?v=1793210068"},{"product_id":"200r-700r4-night-stalker-stock-replacement-no-stall-added-lock-up-gm-torque-converter-part-number-48400","title":"200R 700R4 Night Stalker Stock Replacement No Stall Added Lock Up GM Torque Converter Part Number 48400","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGM Chevy 700R4 \u0026amp; 200R Torque Converter - Night Stalker Series\u003c\/h2\u003e \u003cp\u003eEnhance your drivetrain with this high-quality torque converter, specifically engineered for LT type engines and 3-step input shaft applications. Part number 48400 is built to handle the stresses of your setup while offering reliable performance. This Night Stalker Series converter balances factory specifications with extreme duty components, ensuring smooth operation and maximum longevity.\u003c\/p\u003e \u003ch3\u003eKey Product Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTorrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eModified Heavy Duty Stator and Extreme Duty Lock Up\u003c\/li\u003e \u003cli\u003eExtreme Temp Heavy Duty O-ring seals\u003c\/li\u003e \u003cli\u003eFactory 1.703 inch Crank Pilot\u003c\/li\u003e \u003cli\u003eBolt Circle: 10.75 inches\u003c\/li\u003e \u003cli\u003e27 Spline Input Shaft (Count the smaller splines)\u003c\/li\u003e \u003cli\u003eBolt Size: 10MM X 1.5 Pitch\u003c\/li\u003e \u003cli\u003eNo Anti-Balloon Plates\u003c\/li\u003e \u003cli\u003eLeak \u0026amp; Pressure Tested and Digitally Balanced\u003c\/li\u003e \u003cli\u003e4 Corner Tac Welded Fins or Furnace Brazed case\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Details\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Compatibility: 700R4, 200R\u003c\/li\u003e \u003cli\u003eSeries Designation: Night Stalker Series (LT Type Engines)\u003c\/li\u003e \u003cli\u003eStall Range: Stock Stall – NO Additional Stall Added\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Maintenance Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for optimal performance.\u003c\/li\u003e \u003cli\u003eAlways incorporate a transmission cooler to manage heat buildup.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during assembly for secure installation.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are dependent on a specific vehicle's setup and may vary upon installation. Please contact us for personalized advice.\u003c\/li\u003e \u003cli\u003eFor maximizing performance upgrades (e.g., intake, headers, cam, or gearing), consider upgrading to our Street Bandit Series torque converter.\u003c\/li\u003e \u003cli\u003eIf running power adders such as Nitrous, Turbocharger(s), or Supercharger, we recommend the Out Law Series torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWe are dedicated to building high-performance and racing converters since 1970. Trust our veteran and family-owned company for quality that lasts.\u003c\/p\u003e \u003cdiv style=\"text-align: center; margin-top: 20px;\"\u003e \u003ca href=\"tel:888-267-7464\"\u003eContact us for more information.\u003c\/a\u003e \u003c\/div\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064182305014,"sku":"48400","price":388.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/48400b-scaled-1.png?v=1793210069"},{"product_id":"4r100-e40d-4-bolt-night-stalker-22-2-800-rpm-lock-up-ford-torque-converter-part-number-24402","title":"4R100 E40D 4 Bolt Night Stalker 22-2,800 RPM Lock Up Ford Torque Converter Part Number 24402","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter | Fits Ford 4R100 E40D (Part #24402)\u003c\/h2\u003e \u003cp\u003eEngineered for high-performance applications, this Night Stalker Series Torque Converter delivers flawless power transfer and heat dissipation when paired with your demanding powertrain. Constructed using premium, extreme-duty materials and rigorously quality-checked in our facility, this unit is built to handle the harshest conditions while maintaining precise operation. Proudly Made in the USA.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 24402\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication Fits:\u003c\/strong\u003e Ford 4R100 E40D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 2,200 - 2,800 RPM\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Factory 12-inch Core with Factory 11.4-inch Bolt Circle\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTorque Capacity:\u003c\/strong\u003e Modified Extreme Duty Stator Assembly\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey Mechanical Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e31 Spline Input Shaft for robust connection.\u003c\/li\u003e \u003cli\u003eHardened Chrome Molly Impeller Hub provides superior durability.\u003c\/li\u003e \u003cli\u003eTorrington Style Incased Bearings ensure smooth, prolonged operation.\u003c\/li\u003e \u003cli\u003eExtreme Temp Heavy Duty O-ring maintains pressure integrity under extreme conditions.\u003c\/li\u003e \u003cli\u003eOversized Extreme Duty Single Disk Lock Up for dependable shift performance.\u003c\/li\u003e \u003cli\u003e1.375 inch Crank Pilot accommodates specialized applications.\u003c\/li\u003e \u003cli\u003e4-Lug bolt pattern accepts 3\/8 by 24 TPI Grade 8 Nuts.\u003c\/li\u003e \u003cli\u003eFeatures quality construction including 4 Corner tac Welded Fins or Furnace Brazed housings.\u003c\/li\u003e \u003cli\u003eNo Anti-Balloon Plates included for specific setup requirements.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eManufacturing \u0026amp; Quality Assurance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigitally Balanced for optimal reliability.\u003c\/li\u003e \u003cli\u003eLeak \u0026amp; Pressure Tested upon completion.\u003c\/li\u003e \u003cli\u003eUndergoes Quality Inspections at Every Step to guarantee performance.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for best operational results.\u003c\/li\u003e \u003cli\u003eAlways utilize an additional transmission cooler when installing this unit.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on a specific vehicle setup; actual performance will vary depending on your application.\u003c\/li\u003e \u003cli\u003eFor customized fitting or further information regarding installation and performance, please contact us directly at 888-267-7464.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding High Performance \u0026amp; Racing Converters Since 1970! Warning: Cancer and Reproductive Harm - www.P65warning.ca.gov\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064182468854,"sku":"24402","price":552.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26501b-scaled-1_3d5a6ad0-2844-40d8-825a-8c2e1b5b98be.png?v=1793210070"},{"product_id":"4l80e-4l85e-ls-night-stalker-series-stock-replacement-no-stall-added-lock-up-gm-torque-converter-part-number-49480","title":"4L80E 4L85E LS Night Stalker Series Stock Replacement No Stall Added Lock Up GM Torque Converter Part Number 49480","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - GM Chevy LS 4L80E\/4L85E\u003c\/h2\u003e \u003cp\u003eOptimize your drivetrain with this high-performance, heavy-duty torque converter. Designed for the GM Chevy LS application, this Night Stalker Series unit provides a reliable stock replacement performance while maintaining exceptional durability under extreme conditions. Manufactured with quality inspections at every step, this torque converter ensures leak-free pressure and flawless operation in your setup.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e GM Chevy LS 4L80E \/ 4L85E\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e [Insert Specific Part Number Here - if available, otherwise leave placeholder]\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 1,400 - 1,600 RPM (Stock Replacement \/ No Stall Added)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub:\u003c\/strong\u003e 2-inch Impeller Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Size:\u003c\/strong\u003e Factory 13 inch Core Size\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle:\u003c\/strong\u003e Factory 11.675 inch Bolt Circle\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Shaft Details:\u003c\/strong\u003e 35 Spline Input Shaft, for 2-step input shaft\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Modified Extreme Duty Stator, Hardened Chrome Molly Impeller Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFluid Capacity:\u003c\/strong\u003e Extreme Temp Heavy Duty O-ring\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLock Up:\u003c\/strong\u003e Oversized Extreme Duty Single Disk Lock Up\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot Diameter:\u003c\/strong\u003e 1.703 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Size:\u003c\/strong\u003e 10mm X 1.5 Pitch (Class 10.9 or Stronger)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdditives:\u003c\/strong\u003e No Anti-Balloon Plates\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuild Quality:\u003c\/strong\u003e Digitally Balanced, 4 Corner tac Welded Fins or Furnace Brazed\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup and may vary depending on your application. Please contact us for installation advice.\u003c\/li\u003e \u003cli\u003eFor the best operational results, use Type F Transmission Fluid.\u003c\/li\u003e \u003cli\u003eAlways install an additional transmission cooler to maintain optimal operating temperature.\u003c\/li\u003e \u003cli\u003eUse Blue Loctite when assembling the unit for maximum security.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMost vehicles operating with taller tires or needing more power may require an upgraded differential gear set to match the torque converter's output.\u003c\/li\u003e \u003cli\u003eIf you have upgraded intake, headers, exhaust, or cam, we recommend upgrading to a \"Street Bandit Series\" torque converter.\u003c\/li\u003e \u003cli\u003eFor applications involving power adders such as Nitrous Oxide (NOS), Turbochargers, or Superchargers, we recommend the \"Out Law Series\" torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eExperience unmatched quality from a family-owned and operated company that has been building high-performance torque converters since 1970. We stand behind our products with meticulous quality inspections and pressure testing on every unit shipped.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064183419126,"sku":"49480","price":402.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/49481b-scaled-1.png?v=1793210080"},{"product_id":"th400-night-stalker-series-200-rpm-over-stock-towing-gm-torque-converter-part-number-4601hd","title":"TH400 Night Stalker Series 200 RPM Over Stock Towing GM Torque Converter Part Number 4601HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGM TH400\/TH350 PG - 30 Spline Night Stalker Series Torque Converter\u003c\/h2\u003e \u003cp\u003eElevate your transmission performance with our precision-machined Night Stalker Series Torque Converter. This robust unit is engineered for high-performance applications, offering superior durability and reliability in your GM TH400 or TH350 transmission. Built with a factory 12-inch core and rigorously quality controlled, this converter is ready to handle extreme duty demands while ensuring smooth shifts and optimal power transfer.\u003c\/p\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Type: GM TH400 \/ TH350 PG\u003c\/li\u003e \u003cli\u003eSeries: Night Stalker Series (Fits TH350 with proper Flex-Plate)\u003c\/li\u003e \u003cli\u003ePart Number: 4601HD\u003c\/li\u003e \u003cli\u003eStall Range: 200 - 300 RPM (Over Stock)\u003c\/li\u003e \u003cli\u003eTurbine Hub: 30 Spline\u003c\/li\u003e \u003cli\u003eCore Diameter: Factory 12 inch\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 11.5 inches\u003c\/li\u003e \u003cli\u003eImpeller Construction: Hardened Chrome Moley Impeller Hub with Precision CNC Machining\u003c\/li\u003e \u003cli\u003eBearings: Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eStator: Modified Extreme Duty Stator\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.703 inch\u003c\/li\u003e \u003cli\u003eBolt Size: 10mm X 1.5 Pitch Threads Class 10 or Stronger\u003c\/li\u003e \u003cli\u003ePlate: NO Anti-Balloon Plate\u003c\/li\u003e \u003cli\u003eFinishes: Four Corner Tac Welded Fins or Furnace-Brazed\u003c\/li\u003e \u003cli\u003eTesting: Leak \u0026amp; Pressure Tested, Digitally Balanced, Quality Inspections at Every Step\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThis unit is designed for optimal performance when combined with the proper pairing (e.g., fitting TH350 requires a Flex-Plate).\u003c\/li\u003e \u003cli\u003eDo not interchange with the TH350C.\u003c\/li\u003e \u003cli\u003eAll advertised stall ranges are based on specific vehicle setups and will vary depending on your application. Please contact us for detailed information regarding installation specifics.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Tips\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F transmission fluid for the best operational results.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite when installing components to ensure maximum integrity and security.\u003c\/li\u003e \u003cli\u003eIf you have upgraded your vehicle with intake, heads, headers, exhaust, cam, or gearing, we recommend upgrading to our \"Street Bandit Series.\"\u003c\/li\u003e \u003cli\u003eFor extreme power additions such as Nitrous Oxide, Turbochargers, or Superchargers, consult our \"Out Law Racing Series\" for maximum performance reliability.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eBuilt in the USA. Building High Performance \u0026amp; Racing Converters Since 1970!\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e*Disclaimer: Please be aware of the required warning regarding Cancer and Reproductive Harm (www.P65warning.ca.gov).*\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064184140022,"sku":"4601HD","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/46000b-scaled-1_f5991de3-61da-4e27-a6d1-659781ebacd7.png?v=1793210085"},{"product_id":"c6-fe-night-stalker-series-22-2-800-rpm-ford-torque-converter-part-number-26012","title":"C6 FE Night Stalker Series 22-2,800 RPM Ford Torque Converter Part Number 26012","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - Ford C6 FE Motors (Part #26012)\u003c\/h2\u003e \u003cp\u003eEngineered for extreme performance and reliability, this high-performance torque converter is the perfect match for your Ford C6 FE Motors application. Precision CNC machined and rigorously quality inspected at every step, this unit is built not just to match factory specs—it's built to exceed them, ensuring smooth shifts and dependable power transfer under high load.\u003c\/p\u003e \u003cp\u003eThe Night Stalker series is manufactured using premium materials and meticulous processes, including digital balancing and leak\/pressure testing, guaranteeing a robust foundation for your high-performance build. Experience the difference quality manufacturing makes with our durable, race-ready construction.\u003c\/p\u003e \u003ch3\u003eTechnical Specifications \u0026amp; Fitment\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Type: Auto (Automatic Transmission)\u003c\/li\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003ePart Number: 26012\u003c\/li\u003e \u003cli\u003eApplication Compatibility: Ford C6 FE Motors \/ Big Bellhousing Application\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.848 inch Precision CNC Machined\u003c\/li\u003e \u003cli\u003eTurbine Hub Splines: 31 Spline\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Moley, Precision CNC Machined\u003c\/li\u003e \u003cli\u003eCore Diameter: 12 inch\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 11 7\/16 inches\u003c\/li\u003e \u003cli\u003eBolt Size: 3\/8 X 16 TPI (GRADE 8 ONLY)\u003c\/li\u003e \u003cli\u003eConstruction Detail: Modified Extreme Duty Stator, Torrington Style Incased Bearings, No Anti-Balloon Plates\u003c\/li\u003e \u003cli\u003eHeight Clearance: Fits FE Engines built to 5 7\/8 inches Max Height\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Details\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised Stall Range: 2,200 - 2,800 RPM\u003c\/li\u003e \u003cli\u003eQuality Control: Leak \u0026amp; Pressure Tested, Digitally Balanced, All Fins Tac Welded or Furnace-Brazed\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Operation Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor optimal operation, utilize Old School Type F transmission fluid.\u003c\/li\u003e \u003cli\u003eAlways supplement with a quality Transmission Cooler to maintain consistent operating temperature and performance during high-stress use.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite to threads where applicable for secure assembly and durability.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Installation Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on specific vehicle setups and may vary significantly depending on your current build configuration.\u003c\/li\u003e \u003cli\u003eIf the converter is pulling the motor down, consult with our experts regarding selecting a stall range that better suits your application.\u003c\/li\u003e \u003cli\u003eFor custom high-performance or racing builds, we offer specialized options including our \"No Prep Racing Converters\" and advanced upgrade advice based on your intake, exhaust, cam, or gearing upgrades.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eVeteran-owned and family-run since 1970, we build high performance and racing torque converters. If you have upgraded significant parts (intake, heads, exhaust, cam, or gearing), we recommend pairing your build with our complementary Street Bandit Series torque converter. For extreme applications requiring power adders (NOS, Turbocharger, Supercharger), explore our Out Law Racing Series units.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064184336630,"sku":"26012","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/1774288893949-948686818.png?v=1793210087"},{"product_id":"4r100-e40d-6-bolt-night-stalker-200-rpm-over-stock-lock-up-ford-torque-converter-part-number-2446hd","title":"4R100 E40D 6 bolt Night Stalker 200 RPM Over Stock Lock Up Ford Torque Converter Part Number 2446HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter for Ford 4R100 E40D - Part #2446HD\u003c\/h2\u003e \u003cp\u003eExperience reliable performance and enhanced power transfer with our factory-quality, heavy-duty torque converter. Designed specifically for the Ford 4R100 E40D, this Night Stalker series unit is engineered to handle extreme duty cycles while maintaining peak efficiency and durability. Manufactured in the USA, this converter is built to withstand demanding applications, whether powering a street machine or a dedicated race build.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eStall Range: 200 – 300 Stall Added\u003c\/li\u003e \u003cli\u003eModified Extreme Duty Stator for superior performance under load.\u003c\/li\u003e \u003cli\u003eHardened Chrome Molly Impeller Hub ensures maximum durability and tight tolerances.\u003c\/li\u003e \u003cli\u003eTorrington Style Incased Bearings provide smooth, reliable operation in harsh conditions.\u003c\/li\u003e \u003cli\u003eOversized Extreme Duty Single Disk Lock Up maintains full band strength when needed.\u003c\/li\u003e \u003cli\u003eExtreme Temp Heavy Duty O-ring maintains leak protection even in high-heat environments.\u003c\/li\u003e \u003cli\u003eFully Leak \u0026amp; Pressure Tested and Digitally Balanced for perfect installation compatibility.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Application: Ford 4R100 E40D\u003c\/li\u003e \u003cli\u003ePart Number: 2446HD\u003c\/li\u003e \u003cli\u003eBolt Pattern: 6 Lug Bolt Pattern (Factory 11.4 inch Circle)\u003c\/li\u003e \u003cli\u003eInput Shaft: 31 Spline\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.375 inch\u003c\/li\u003e \u003cli\u003eBolt Nut Size: 3\/8 by 24 TPI Grade 8 ONLY\u003c\/li\u003e \u003cli\u003eDesign Features: No Anti-Balloon Plates, 4 Corner Tac Welded Fins or Furnace Brazed\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Maintenance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for optimal operational results.\u003c\/li\u003e \u003cli\u003eAlways pair with a dedicated transmission cooler for sustained high-performance driving.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on specific vehicle setups and may vary depending on your application. Please contact us for detailed compatibility information.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eOur commitment is to building high-performance and racing converters since 1970. Trust our quality inspections at every step to ensure your drivetrain pairing is sound.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064184566006,"sku":"2446HD","price":474.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/1774289421180-889445918.png?v=1793210089"},{"product_id":"th350c-night-stalker-200-rpm-over-stock-lock-up-gm-torque-converter-part-number-4740hd","title":"TH350C Night Stalker 200 RPM Over Stock Lock Up GM Torque Converter Part Number 4740HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNIGHT STALKER Series Torque Converter - GM Chevy TH350C, 298mm Lock Up (Part #4740HD)\u003c\/h2\u003e \u003cp\u003eEngineered for high-performance applications, this precision-machined torque converter is specifically designed to provide extreme duty locking action and robust operation in your heavy-duty drivetrain. The Night Stalker Series offers exceptional quality assurance, ensuring reliable performance for demanding driving conditions. Invest in unmatched durability and control for your build.\u003c\/p\u003e \u003cdiv class=\"compatibility-warning\"\u003e \u003cstrong\u003e*** IMPORTANT APPLICATION WARNING ***\u003c\/strong\u003e \u003cul\u003e \u003cli\u003eThis torque converter is designed for the TH350C transmission.\u003c\/li\u003e \u003cli\u003eWARNING: This unit WILL NOT Fit TH350 or TH400 transmissions.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003ch3\u003eProduct Specifications \u0026amp; Build Quality\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4740HD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTransmission Fitment:\u003c\/strong\u003e TH350C\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range (Advertised):\u003c\/strong\u003e 200 - 300 RPM (Dependent on specific vehicle setup)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Size:\u003c\/strong\u003e Factory 12-inch Core\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub Material:\u003c\/strong\u003e Precision CNC Machined Hardened Chrome Moly\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTurbine Hub:\u003c\/strong\u003e 30 Spline\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLock Up System:\u003c\/strong\u003e Extreme Duty, High-Speed Lock Up\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot Diameter:\u003c\/strong\u003e 1.703 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle Diameter:\u003c\/strong\u003e 10.75 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Size:\u003c\/strong\u003e 10mm X 1.5 Pitch Threads\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConstruction Details:\u003c\/strong\u003e Torrington Style Incased Bearings, Modified Heavy Duty Stator, No Anti-Balloon Plate\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAssembly:\u003c\/strong\u003e Four Corner Tac Welded\/Furnace-Brazed, Digitally Balanced\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e Leak \u0026amp; Pressure Tested with Quality Inspections at Every Step\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Maintenance Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for optimal operational performance.\u003c\/li\u003e \u003cli\u003eAlways install an additional transmission cooler to manage heat during use.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite to ensure secure and lasting installation.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Disclaimers \u0026amp; Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle setup and may vary depending on your application.\u003c\/li\u003e \u003cli\u003eFor accurate performance guidance or installation advice, please contact our technical support team at (888) 267-7464.\u003c\/li\u003e \u003cli\u003eIf your vehicle setup has been significantly modified (e.g., Intake, Heads, Exhaust, Cam, or Gearing), we recommend upgrading to our Street Bandit Series. For applications utilizing power adders (NOS, Turbochargers, Supercharger), the Out Law Racing Series is advised.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding High Performance \u0026amp; Racing Converters Since 1970. Made in the USA.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064184598774,"sku":"4740HD","price":388.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/47402b-scaled-1.png?v=1793210090"},{"product_id":"c4-26-spline-night-stalker-series-200-rpm-over-stock-ford-towing-torque-converter-part-number-2514hd","title":"C4 26 Spline Night Stalker Series 200 RPM Over Stock Ford Towing Torque Converter Part Number 2514HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eFord C4 Torque Converter - Night Stalker Series\u003c\/h2\u003e \u003cp\u003eEnhance your drivetrain performance with this precision-machined Ford C4 torque converter, built for robust driving and towing characteristics. Belonging to our acclaimed Night Stalker Series, this unit is manufactured in the USA and ready to handle your vehicle's power demands. Designed for durability and a perfect fit with the big bellhousing, this torque converter offers exceptional quality and reliability.\u003c\/p\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2514HD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 - 300 RPM (Over Stock Setup)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTorque Converter Core Diameter:\u003c\/strong\u003e 12 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle:\u003c\/strong\u003e 11 7\/16 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpline Type:\u003c\/strong\u003e 26 Spline Turbine Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub:\u003c\/strong\u003e Hardened Chrome Moley Impeller Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStator Build:\u003c\/strong\u003e Modified Extreme Duty Stator\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot Diameter:\u003c\/strong\u003e 1.375 inch Precision CNC Machined\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Size:\u003c\/strong\u003e 3\/8 X 16 TPI (Grade 8 hardware recommended)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdditional Features:\u003c\/strong\u003e Torrington Style Incased Bearings, Anti-Balloon Plates (None), Digitally Balanced\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey Features \u0026amp; Construction\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePrecision CNC machined components for superior fitment and function.\u003c\/li\u003e \u003cli\u003eFins are securely attached via 4 corner Tac Welded or Furnace-Brazed construction.\u003c\/li\u003e \u003cli\u003eIncludes leak and pressure testing along with rigorous quality inspections at every step.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor best operational results, use an old-school type F transmission fluid.\u003c\/li\u003e \u003cli\u003eWe recommend installing a quality transmission cooler with this unit.\u003c\/li\u003e \u003cli\u003eApplying Blue Loctite during installation is advised for maximum security.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on specific vehicle setups and may vary depending on your application.\u003c\/li\u003e \u003cli\u003eContact us with detailed information regarding your vehicle setup for tailored advice (888) 267-7464.\u003c\/li\u003e \u003cli\u003eFor high-performance applications (Intake\/Heads\/Headers\/Exhaust\/Cam\/Gearing upgrades), consider upgrading to our Street Bandit Series.\u003c\/li\u003e \u003cli\u003eIf using power adders (Nitrous, Turbocharger, Supercharger, or a Transmission Brake), we recommend the Outlaw Racing Series.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064184959222,"sku":"2514HD","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26062b-scaled-1_ce1c821d-a17d-4980-8799-b20524d903a9.png?v=1793210093"},{"product_id":"th350c-night-stalker-22-2-800-rpm-lock-up-gm-torque-converter-part-number-47402","title":"TH350C Night Stalker 22-2,800 RPM Lock Up GM Torque Converter Part Number 47402","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGM Chevy TH350C 298mm Lock Up Torque Converter - Night Stalker Series\u003c\/h2\u003e \u003cp\u003eEnsure optimal power transfer and smooth operation for your classic or modern muscle car with our precision-machined Night Stalker Series Torque Converter. Designed specifically for the TH350C application, this extreme-duty conversion piece provides reliable performance and durability when paired with the correct vehicle setup.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Compatibility: TH350C (Warning: Will NOT Fit TH350 or TH400)\u003c\/li\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003eStall Range: 2,200 - 2,800 RPM\u003c\/li\u003e \u003cli\u003eTorque Converter Size: Factory 12 inch Core\u003c\/li\u003e \u003cli\u003eTurbine Hub: 30 Spline\u003c\/li\u003e \u003cli\u003eImpeller Hub: Precision CNC Machined Hardened Chrome Moly\u003c\/li\u003e \u003cli\u003eBearing System: Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eStator: Modified Heavy Duty Stator\u003c\/li\u003e \u003cli\u003eLock Up Feature: Extreme Duty Lock Up\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.703 inch\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 10.75 inches\u003c\/li\u003e \u003cli\u003eBolt Size: 10mm X 1.5 Pitch Threads\u003c\/li\u003e \u003cli\u003eAdditional Features: No Anti-Balloon Plate, Four Corner Tac Welded Fins or Furnace-Brazed Construction\u003c\/li\u003e\n\u003cli\u003eTested: Leak \u0026amp; Pressure Tested, Digitally Balanced, Quality Inspections at Every Step\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation Recommendations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for best operational results.\u003c\/li\u003e \u003cli\u003eAlways use an additional transmission cooler for sustained high-performance driving.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during installation to ensure maximum reliability.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on a specific vehicle's setup and actual performance will vary depending on your application.\u003c\/li\u003e \u003cli\u003eFor detailed installation advice or to discuss your specific setup, please contact us at (888) 267-7464.\u003c\/li\u003e \u003cli\u003eFor high-performance upgrades (Intake, Heads, Headers, Exhaust, Cam, or Gearing), we recommend upgrading to the \"Street Bandit Series.\"\u003c\/li\u003e \u003cli\u003eFor applications involving power adders (Nitrous, Turbocharger, Supercharger, or Trans Brake), we recommend upgrading to the \"Out Law Racing Series.\"\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eHandcrafted and quality assured in the USA. Building High Performance \u0026amp; Racing Converters Since 1970!\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064186597622,"sku":"47402","price":444.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/47402b-scaled-1_c49a826b-ed34-4923-8869-527f21b0a506.png?v=1793210107"},{"product_id":"4l60e-4l65e-4l70e-300mm-ls-night-stalker-200-rpm-over-stock-lock-up-towing-gm-torque-converter-part-number-4945hd","title":"4L60E 4L65E 4L70E 300mm LS Night Stalker 200 RPM Over Stock Lock Up Towing GM Torque Converter Part Number 4945HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eTorque Converter - NIGHT STALKER Series (300mm) for LS Engines\u003c\/h2\u003e \u003cp\u003ePower your high-performance LS engine with our premium NIGHT STALKER Series Torque Converter. Designed for compatibility with GM 4L60E, 4L65E, and 4L70E transmissions, this converter delivers reliable performance under extreme conditions. Factory quality controlled and built to withstand high torque loads, it ensures seamless power transfer for your build.\u003c\/p\u003e \u003ch3\u003eKey Product Details\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Type: 4L60E, 4L65E, 4L70E\u003c\/li\u003e \u003cli\u003eSeries: NIGHT STALKER Series\u003c\/li\u003e \u003cli\u003ePart Number: 4945HD\u003c\/li\u003e \u003cli\u003eStall Range: 200 - 300 RPM (Over Stock)\u003c\/li\u003e \u003cli\u003eSize: 300mm \/ 12 inch Core\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eInput Shaft: 30 Spline Input Shaft\u003c\/li\u003e \u003cli\u003eHub Material: Hardened Chrome Moly Impeller Hub\u003c\/li\u003e \u003cli\u003eBearings: Torrington Style Bearings\u003c\/li\u003e \u003cli\u003eStator Design: Modified Heavy-Duty Stator\u003c\/li\u003e \u003cli\u003eLockup: Extreme Duty Lock Up\u003c\/li\u003e \u003cli\u003eCrank Pilot: Factory 1.703 inch Pilot\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 11.063 inches (Factory Bolt Circle)\u003c\/li\u003e \u003cli\u003eBolt Size: 10MM X 1.5 Pitch Class 10\u003c\/li\u003e \u003cli\u003eAdditional Features: Anti-Balloon Plates, Digitally Balanced, Leak \u0026amp; Pressure Tested\u003c\/li\u003e \u003cli\u003eManufacturing: Made in the USA\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor best performance, use Type F transmission fluid.\u003c\/li\u003e \u003cli\u003eAlways install a transmission cooler for added protection.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during assembly.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eAssembly and Application Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall speeds are based on specific vehicle setups; ranges will vary depending on your application.\u003c\/li\u003e \u003cli\u003eContact us for personalized consultation regarding stall speeds or setup information at 888-267-7464.\u003c\/li\u003e \u003cli\u003eIf you have upgraded your intake, heads, headers, exhaust, cam, or gearing, we recommend considering a \"Street Bandit Series\" upgrade.\u003c\/li\u003e \u003cli\u003eIf your build includes power adders such as Nitrous Oxide (NOS), Turbocharger(s), Supercharger, or a Trans Brake, we recommend the \"Out Law Series.\"\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding high performance and racing converters since 1970. We are a veteran and family-owned company committed to quality.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064187580662,"sku":"4945HD","price":390.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/49450b-scaled-1_0cc1306b-f147-4e85-8fd7-e9d8b927aa1e.png?v=1793210114"},{"product_id":"powerglide-night-stalker-series-200-rpm-over-stock-gm-towing-torque-converter-part-number-3404hd","title":"Powerglide Night Stalker Series 200 RPM Over Stock GM Towing Torque Converter Part Number 3404HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - GM Chevy Powerglide (Part #: 3404HD)\u003c\/h2\u003e \u003cp\u003eEngineered for serious performance, this Night Stalker Series torque converter is built to withstand extreme duty while ensuring maximum power transfer. Precision CNC machined and rigorously quality tested, this converter is the definitive upgrade for your high-performance application.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTransmission Compatibility:\u003c\/strong\u003e GM Chevy Powerglide\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3404HD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 - 300 RPM (Over Stock Application)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore \u0026amp; Dimensions:\u003c\/strong\u003e Factory 12 inch Core, 10.75-inch Bolt Circle\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInternal Components:\u003c\/strong\u003e Precision CNC Machined Hardened Chrome Moley Impeller Hub, Torrington Style Incased Bearings, Modified Extreme Duty Stator.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePump\/Pilot:\u003c\/strong\u003e 1.703-inch Crank Pilot\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAssembly Details:\u003c\/strong\u003e 17 Spline Turbine Hub, NO Anti-Balloon Plate, Four Corner Tac Welded\/Furnace-Brazed Fins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e Digitally Balanced, Leak \u0026amp; Pressure Tested, Quality Inspections at Every Step.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Bolt Size: 10mm X 1.5 Pitch Threads, Made in the USA.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F transmission fluid for optimal performance and longevity.\u003c\/li\u003e \u003cli\u003eA Transmission Cooler is recommended for high-heat duty cycles.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite to ensure secure installation of components.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on specific vehicle setups and may vary widely depending on your application.\u003c\/li\u003e \u003cli\u003eFor performance building, consider upgrading to the \"Street Bandit Series\" if you have modified intake, heads, headers, exhaust, cam, or gearing.\u003c\/li\u003e \u003cli\u003eFor extreme applications involving power adders (Nitrous Oxide, Turbocharger, Supercharger), upgrade to the \"Out Law Racing Series.\"\u003c\/li\u003e \u003cli\u003ePlease contact us at (888) 267-7464 for specific installation advice regarding your vehicle setup.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWe are a veteran-owned, family-run company dedicated to building high performance and racing torque converters since 1970.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064188137718,"sku":"3404HD","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/47011b-scaled-1_c554d592-f88c-4024-a8d2-3c2559a59ec4.png?v=1793210119"},{"product_id":"6l80e-6l90e-ls-night-stalker-200-rpm-over-stock-lock-up-gm-towing-torque-converter-part-number-4540hd","title":"6L80E 6L90E LS Night Stalker 200 RPM Over Stock Lock Up GM Towing Torque Converter Part Number 4540HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter – GM Chevy LS 6L80E\/6L90E (Part #4540HD)\u003c\/h2\u003e \u003cp\u003eEngineered for high-performance applications, this Night Stalker Series torque converter is the ultimate upgrade for your GM Chevy LS platform. Built with extreme duty components and a factory 12.5-inch core, this converter provides reliable power transfer matched with superior driving characteristics and exceptional durability for your application.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4540HD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication Fitment:\u003c\/strong\u003e GM Chevy LS 6L80E \/ 6L90E GAS (For 2 Step Input Shaft)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 – 300 RPM Added Stall\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Shaft:\u003c\/strong\u003e 35 Spline Input Shaft\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStator:\u003c\/strong\u003e 36 Spline Modified Stator (Heavy Duty)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub:\u003c\/strong\u003e Hardened Chrome Moly\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockup:\u003c\/strong\u003e Over Sized Extreme Duty Lock Up\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot:\u003c\/strong\u003e Factory 1.703 inch Pilot\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Size:\u003c\/strong\u003e 10MM X 1.5 Pitch Class 10 or Stronger\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalance\/Quality:\u003c\/strong\u003e Digitally Balanced, Leak \u0026amp; Pressure Tested, Quality Inspected at Every Step\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign Features:\u003c\/strong\u003e No Anti-Balloon Plates, 4 Corner Tac Welded Fins or Furnace Brazed\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on specific vehicle setups and may vary depending on your application.\u003c\/li\u003e \u003cli\u003eMost vehicles benefit from adding additional gearing, especially when paired with taller tires.\u003c\/li\u003e \u003cli\u003eUse Dexron 6 transmission fluid for optimal performance and longevity.\u003c\/li\u003e \u003cli\u003eWe recommend utilizing a Transmission Cooler for sustained high-performance operation.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during assembly to ensure maximum seal integrity.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Tuning Recommendations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIf you have upgraded two or more items (Intake, Heads, Headers, Exhaust, Camshaft, or Gearing), consider upgrading to our Street Bandit Series torque converter.\u003c\/li\u003e \u003cli\u003eFor applications involving power adders such as Nitrous Oxide (NOS), Turbocharger(s), Supercharger, or Trans Brake, upgrade to the Out Law Series torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding high performance and racing converters since 1970! We are a Veteran \u0026amp; Family-owned business dedicated to quality. Please contact us directly at 888-267-7464 with any further questions regarding your setup. Safety Warning: Products comply with P65warning.ca.gov requirements.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064188170486,"sku":"4540HD","price":553.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/5CE4B2CA-51CE-4C76-BB4D-2A1E626768EE_72bebdc3-0132-4a2d-921a-c276b0cf7381.png?v=1793210119"},{"product_id":"4r100-e40d-4-bolt-night-stalker-stock-replacement-no-stall-added-lock-up-ford-torque-converter-part-number-24401","title":"4R100 E40D 4 Bolt Night Stalker Stock Replacement No Stall Added Lock Up Ford Torque Converter Part Number 24401","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - Ford 4R100 E40D (Part #24401)\u003c\/h2\u003e \u003cp\u003eEnsure perfect shifting and unparalleled reliability in your automatic transmission with our high-performance Night Stalker Series Torque Converter. Specifically engineered for the Ford 4R100 E40D application, this unit combines extreme duty components with meticulous quality control to provide dependable power transfer and flawless operation in demanding driving conditions.\u003c\/p\u003e \u003cp\u003eThis torque converter is built to withstand high stress and maintain peak performance, making it the ideal match for enthusiasts who demand a factory-quality upgrade with modern durability. Our components are rigorously tested and manufactured in the USA.\u003c\/p\u003e \u003ch3\u003eProduct Specifications \u0026amp; Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication Compatibility:\u003c\/strong\u003e Ford 4R100 E40D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 24401\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Shaft Splines:\u003c\/strong\u003e 31 Spline Input Shaft\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e Stock Stall (No stall added)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Size:\u003c\/strong\u003e Factory 12-inch Core\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle Diameter:\u003c\/strong\u003e Factory 11.4 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub:\u003c\/strong\u003e Hardened Chrome Molly Impeller Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSealant:\u003c\/strong\u003e Extreme Temp Heavy Duty O-ring\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockup Clutch:\u003c\/strong\u003e Oversized Extreme Duty Single Disk Lock Up\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePilot Diameter:\u003c\/strong\u003e 1.375-inch Crank Pilot\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4 Lug Bolt Pattern (3\/8 x 24 TPI Grade 8 Nut Size)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign Detail:\u003c\/strong\u003e Modified Extreme Duty Stator and Anti-Balloon Plates (Optional)\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommitment to Quality\u003c\/h3\u003e \u003cp\u003eEach torque converter undergoes a comprehensive series of quality checks before shipment, ensuring lasting performance and peace of mind. We utilize advanced manufacturing techniques to guarantee durability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDigitally Balanced for smooth operation\u003c\/li\u003e \u003cli\u003eLeak and Pressure Tested upon assembly\u003c\/li\u003e \u003cli\u003e4 Corner Tac Welded Fins or Furnace Brazed construction\u003c\/li\u003e \u003cli\u003eQuality inspections at every stage of production\u003c\/li\u003e \u003cli\u003eMade in the USA\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Notes\u003c\/h3\u003e \u003cp\u003eProper installation and fluid selection are critical to achieving optimal performance from your newly installed torque converter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for the best results.\u003c\/li\u003e \u003cli\u003eAlways use an additional transmission cooler when operating this unit in extreme conditions.\u003c\/li\u003e \u003cli\u003eAll advertised stall ranges are dependent on the specific vehicle setup; final stall range varies by application.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eFor technical inquiries or to discuss specific vehicle setups, please contact us at 888-267-7464. We have been building high-performance and racing converters since 1970!\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064192004342,"sku":"24401","price":474.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26501b-scaled-1_7c4446d9-8ca9-4dd6-bd67-a83a6d80751e.png?v=1793210124"},{"product_id":"4r100-e40d-6-bolt-night-stalker-stock-replacement-no-stall-added-lock-up-ford-torque-converter-part-number-24461","title":"4R100 E40D 6 bolt Night Stalker Stock Replacement No Stall Added Lock Up Ford Torque Converter Part Number 24461","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter – Part #24461 (FORD 4R100 E40D)\u003c\/h2\u003e \u003cp\u003eUpgrade your drivetrain reliability and performance with our factory-quality, heavy-duty torque converter. Designed for demanding applications requiring precision matching and rugged construction, this Night Stalker Series unit ensures maximum durability and efficient power transfer in your build. Proudly MADE IN THE USA.\u003c\/p\u003e \u003ch3\u003eProduct Overview \u0026amp; Application Details\u003c\/h3\u003e \u003cp\u003eThis torque converter is built to handle the rigorous demands of high-performance transmissions, offering critical thermal and pressure resistance while maintaining a matched factory build quality.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eTransmission Application: FORD 4R100 E40D\u003c\/li\u003e \u003cli\u003eSeries\/Style: Night Stalker Series\u003c\/li\u003e \u003cli\u003ePart Number: 24461\u003c\/li\u003e \u003cli\u003eBolt Pattern: 6 Lug Bolt Pattern (Factory 11.4 inch bolt circle)\u003c\/li\u003e \u003cli\u003eStall Range: Stock Stall - No Added Stall (Factory 12 inch core)\u003c\/li\u003e \u003cli\u003eInput Shaft: 31 Spline Input Shaft\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eAdvanced Construction \u0026amp; Key Specifications\u003c\/h3\u003e \u003cp\u003eEach torque converter undergoes stringent quality control to ensure flawless operation under extreme conditions. Our components are selected for longevity and ultimate reliability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStator: Modified Extreme Duty Stator\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Molly Impeller Hub\u003c\/li\u003e \u003cli\u003eBearings: Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eFluid Integrity: Extreme Temp Heavy Duty O-ring\u003c\/li\u003e \u003cli\u003eLock Up Mechanism: Oversized Extreme Duty Single Disk Lock Up\u003c\/li\u003e \u003cli\u003eCrank Pilot: 1.375 inch Crank Pilot\u003c\/li\u003e \u003cli\u003eNut Specification: 3\/8 by 24 TPI Grade 8 ONLY\u003c\/li\u003e \u003cli\u003eAnti-Ballooning: Anti-balloon plates included (No)\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eQuality Assurance\u003c\/h3\u003e \u003cp\u003eWe build performance lasting units. This unit includes:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eQuality Inspections at Every Step\u003c\/li\u003e \u003cli\u003eLeak \u0026amp; Pressure Tested\u003c\/li\u003e \u003cli\u003eDigitally Balanced Construction\u003c\/li\u003e \u003cli\u003eWelding: 4 Corner tac Welded Fins or Furnace Brazed\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Notes\u003c\/h3\u003e \u003cp\u003eOptimal performance requires correct application and fluid selection. Please review the following for best results:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid For Best Results.\u003c\/li\u003e \u003cli\u003eAlways incorporate an additional transmission cooler for extreme duty applications.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Information\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup and may vary depending on your particular application.\u003c\/li\u003e \u003cli\u003eContact us for more information or technical support: 888-267-7464.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064192102646,"sku":"24461","price":474.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/1774289400205-388169144.png?v=1793210124"},{"product_id":"th400-th350-night-stalker-series-stock-replacement-no-stall-added-gm-torque-converter-part-number-46000","title":"TH400 TH350 Night Stalker Series Stock Replacement No Stall Added GM Torque Converter Part Number 46000","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter – Fits GM TH350\/TH400\u003c\/h2\u003e \u003cp\u003eEngineered for reliability and demanding performance, this Night Stalker Series torque converter is the perfect match for your GM TH350 transmission (with proper flex plate compatibility). Constructed with precision machining and high-quality components, this unit ensures flawless power transfer, whether you are aiming for stock performance or pushing the limits of your drivetrain.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003eTransmission Compatibility: GM TH350 (Requires proper Flex-Plate)\u003c\/li\u003e \u003cli\u003ePart Number Reference: 46000\u003c\/li\u003e \u003cli\u003eStall Range: Stock Stall (No Added Stall)\u003c\/li\u003e \u003cli\u003eTurbine Hub Splines: 30 Spline\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.703 inch\u003c\/li\u003e \u003cli\u003eCore Bolt Circle: 12 inches (Factory) \/ 11.5 inches\u003c\/li\u003e \u003cli\u003eBolt Size: 10mm X 1.5 Pitch Threads Class 10 or Stronger\u003c\/li\u003e \u003cli\u003eConstruction: Modified Extreme Duty Stator, Hardened Chrome Moley Impeller Hub\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey Features \u0026amp; Construction\u003c\/h3\u003e \u003cp\u003eThis torque converter is built with commercial-grade components designed to withstand severe operational conditions. It features Torrington Style Incased Bearings and is supported by a durable, furnace-brazed or four corner tac welded construction for maximum leak resistance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrecision CNC Machined Components\u003c\/li\u003e \u003cli\u003eLeak \u0026amp; Pressure Tested for optimal sealing\u003c\/li\u003e \u003cli\u003eDigitally Balanced to prevent vibrations and premature wear\u003c\/li\u003e \u003cli\u003eFeatures NO Anti-Balloon Plate for controlled operation\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Usage Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup and may vary depending on your application. Contact us for personalized advice regarding optimal ranges.\u003c\/li\u003e \u003cli\u003eConsider upgrading to a \"Street Bandit Series\" converter if you have made significant performance enhancements (Intake, Heads, Headers, Exhaust, Camshaft, or Gearing).\u003c\/li\u003e \u003cli\u003eFor extreme performance setups including Nitrous Oxide, Turbochargers, Superchargers, or Trans Brake applications, we recommend the \"Out Law Racing Series\" torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eMaintenance \u0026amp; Installation Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor the best operational results, use Type F transmission fluid.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite on appropriate threads to secure components during installation.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding high performance \u0026amp; racing converters since 1970! We are a veteran-owned and family-run company dedicated to quality at every step. Order your performance torque converter today!\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064192725238,"sku":"46000","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/46000b-scaled-1_0591fad8-c8e6-4eaf-b8ba-459a66fa90da.png?v=1793210130"},{"product_id":"4l80e-4l85e-ls-night-stalker-200-rpm-over-stock-lock-up-gm-towing-torque-converter-part-number-4948hd","title":"4L80E 4L85E LS Night Stalker 200 RPM Over Stock Lock Up GM Towing Torque Converter Part Number 4948HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - GM Chevy LS 4L80E\/4L85E\u003c\/h2\u003e \u003cp\u003eAchieve maximum performance and reliability with our Night Stalker Series torque converter, engineered specifically for GM Chevy LS applications. This heavy-duty unit is designed to handle high loads while maintaining a precise stall range, making it the perfect match for your upgraded drivetrain. Built in-house and rigorously tested, this converter ensures seamless power transfer from engine to transmission.\u003c\/p\u003e \u003cp\u003eOur commitment to quality is reflected in every component, from the hardened chrome impeller hub to the digitally balanced assembly. Don't settle for less—install a proven, high-performance torque converter built to withstand extreme conditions and deliver peak power delivery when you need it most.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003eApplication: GM Chevy LS Engines (For 2 step input shaft)\u003c\/li\u003e \u003cli\u003ePart Number: 4948HD (See images for visual confirmation)\u003c\/li\u003e \u003cli\u003eStall Range: 200 - 300 RPM (Over stock)\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Molly, 2 inch Diameter (See pictures)\u003c\/li\u003e \u003cli\u003eCore Size: Factory 13 inches\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: Factory 11.675 inches\u003c\/li\u003e \u003cli\u003eInput Shaft: 35 Spline Input Shaft for 2-step compatibility\u003c\/li\u003e \u003cli\u003eStator: Modified Extreme Duty Stator\u003c\/li\u003e \u003cli\u003eBearings: Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eLockup Clutch: Oversized Extreme Duty Single Disk Lock Up\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.703 inch\u003c\/li\u003e \u003cli\u003eBolt Size: 10mm X 1.5 Pitch (Class 10.9 or Stronger)\u003c\/li\u003e \u003cli\u003eConstruction: Anti-Balloon Plates, Digitally Balanced, 4 Corner Tac Welded\/Furnace Brazed Fins\u003c\/li\u003e \u003cli\u003eTesting: Leak \u0026amp; Pressure Tested, Extreme Temp Heavy Duty O-ring Seal\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Performance Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for optimal operational performance.\u003c\/li\u003e \u003cli\u003eAlways utilize a transmission cooler to maintain fluid integrity under extreme use.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during installation for maximum security.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on a specific vehicle setup; actual performance will vary depending on your vehicle's configuration.\u003c\/li\u003e \u003cli\u003eVehicles with taller tires or significant gear ratio changes may require additional gearing adjustment for ideal match.\u003c\/li\u003e \u003cli\u003eFor maximum performance potential, consider upgrading to a \"Street Bandit Series\" if you have also upgraded your intake, headers, exhaust, or gearing.\u003c\/li\u003e \u003cli\u003eIf utilizing power adders such as Nitrous Oxide (NOS), Turbocharger(s), or Supercharger, we recommend pairing this with an \"Out Law Series\" torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eOur company has been building high-performance and racing converters since 1970. We are a veteran and family-owned operation dedicated to quality assurance at every stage.\u003c\/p\u003e \u003cp class=\"legal-notice\"\u003eWARNING: Cancer and Reproductive Harm - www.P65warning.ca.gov\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064197476598,"sku":"4948HD","price":402.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/49481b-scaled-1_227aa63f-2583-4e3b-b284-d92dbf2a69cf.png?v=1793210143"},{"product_id":"c6-night-stalker-series-200-rpm-over-stock-towing-ford-torque-converter-part-number-2606hd","title":"C6 Night Stalker Series 200 RPM Over Stock Towing Ford Torque Converter Part Number 2606HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eWindsor Motors Night Stalker Series Torque Converter – Part #: 2606HD\u003c\/h2\u003e \u003cp\u003eAchieve peak performance and reliable power transfer with our Small Pilot Torque Converter, engineered specifically for high-demand applications. This precision-machined unit is built to handle extreme duty cycles, offering exceptional durability and a precisely tuned stall range customized for your vehicle's unique setup.\u003c\/p\u003e \u003cp\u003eIdeal for performance upgrades on Ford C6 applications, this torque converter maintains optimal efficiency and robust construction, ensuring your powertrain performs flawlessly under pressure.\u003c\/p\u003e \u003ch3\u003eKey Product Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003ePart Number: 2606HD\u003c\/li\u003e \u003cli\u003eStall Range: 200 - 300 RPM Stall Added\u003c\/li\u003e \u003cli\u003eTorque Converter Type: Small Pilot, Big Bellhousing Fitment\u003c\/li\u003e \u003cli\u003eCore Diameter: 12 inch\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 11 7\/16 inches\u003c\/li\u003e \u003cli\u003eShaft Detail: 31 Spline Turbine Hub, Precision CNC Machined Plates\u003c\/li\u003e \u003cli\u003eImpeller Material: Hardened Chrome Moley Hub\u003c\/li\u003e \u003cli\u003ePilot Diameter: 1.375 inch Crank Pilot\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eEngineering \u0026amp; Quality Assurance\u003c\/h3\u003e \u003cp\u003eOur converters are manufactured using veteran-grade manufacturing techniques, guaranteeing long-lasting performance and structural integrity. Each unit undergoes rigorous testing to ensure optimal operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrecision CNC Machined components for exact fitment and wear resistance.\u003c\/li\u003e \u003cli\u003eTorrington Style Incased Bearings provide smooth, sustained operation.\u003c\/li\u003e \u003cli\u003eModified Extreme Duty Stator provides robust coupling action.\u003c\/li\u003e \u003cli\u003eLeak and Pressure Tested following strict quality inspections at every step.\u003c\/li\u003e \u003cli\u003eDigitally Balanced for consistent power delivery.\u003c\/li\u003e \u003cli\u003eAvailable in the USA.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Performance Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Old School Type F transmission fluid for the most predictable results.\u003c\/li\u003e \u003cli\u003eAlways install a transmission cooler to maintain optimal operating temperatures during aggressive driving.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during assembly for secure fitment and retention of critical components.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on specific vehicle setups and may vary depending on your application. Please contact us for detailed advice regarding your unique vehicle setup.\u003c\/li\u003e \u003cli\u003eFor high-power builds involving Intake, Heads, Headers, Exhaust, Cam, or Gearing upgrades, we recommend upgrading to our Street Bandit Series. For builds incorporating Nitrous Oxide (NOS), Turbochargers, or Superchargers, consider the Out Law Racing Series.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064197607670,"sku":"2606HD","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26062b-scaled-1_27e205aa-9b81-43db-9aa0-124262710991.png?v=1793210143"},{"product_id":"4l80e-4l85e-ls-night-stalker-series-200-rpm-over-stock-lock-up-gm-towing-torque-converter-part-number-4949hd","title":"4L80E 4L85E LS Night Stalker Series 200 RPM Over Stock Lock Up GM Towing Torque Converter Part Number 4949HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter for GM Chevy LS Engines\u003c\/h2\u003e \u003cp\u003eUpgrade your drivetrain with our premium Night Stalker Series Torque Converter, specifically engineered for the GM Chevy LS platforms. This unit offers exceptional durability and performance, matched with a 200-300 RPM stall range (depending on vehicle setup), ensuring reliable power transfer whether you're running street drives or performance builds. Constructed with extreme duty components, this converter is built to handle the rigorous demands of high-performance modern engines.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Fits GM Chevy LS Engines (Factory 13-inch Core Size)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series (High Performance\/Extreme Duty)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4949HD (LS 4L80E \/ 4L85E Conversion)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 - 300 RPM (Dependent on vehicle configuration)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub:\u003c\/strong\u003e Hardened Chrome Molly, 2.5 inch Impeller Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Shaft:\u003c\/strong\u003e 35 Spline, optimized for the 2-step input shaft\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle:\u003c\/strong\u003e Factory 11.675 inch (Supports 10mm X 1.5 Pitch bolts, Class 10.9 or stronger)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKey Features:\u003c\/strong\u003e Modified Extreme Duty Stator, Oversized Extreme Duty Single Disk Lock Up, Anti-Balloon Plates, No-Leak\/Pressure Tested\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePilot Diameter:\u003c\/strong\u003e 1.703 inch Crank Pilot\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommitment to Quality\u003c\/h3\u003e \u003cp\u003eEvery torque converter undergoes rigorous quality inspections, including Leak \u0026amp; Pressure Testing and Digital Balancing. The construction features 4-Corner tac Welded Fins or Furnace Brazed connections, ensuring maximum strength and longevity.\u003c\/p\u003e \u003ch3\u003eApplication Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup and may vary depending on your particular application. Contact us for personalized recommendations regarding optimal stall speeds.\u003c\/li\u003e \u003cli\u003eFor best operational results, use Type F Transmission Fluid.\u003c\/li\u003e \u003cli\u003eAlways install an additional transmission cooler to maintain optimal operating temperatures and protect your components.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during assembly for maximum security of hardware.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Recommendations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIf you have upgraded intake, headers, exhaust, or cam profiles, we recommend upgrading to our \"Street Bandit Series\" torque converter for a balanced fit.\u003c\/li\u003e \u003cli\u003eIf your application includes power adders (Nitrous, Turbocharger, Supercharger, or Trans Brake), consult our \"Out Law Series\" converters for maximum performance capacity.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eBuilt Since 1970:\u003c\/strong\u003e Our company has been building high-performance and racing converters for generations. We are a Veteran \u0026amp; Family Owned business dedicated to quality manufacturing in the USA.\u003c\/p\u003e \u003cp class=\"safety-warning\"\u003e\u003cstrong\u003eImportant Safety Notice:\u003c\/strong\u003e Please be aware that certain vehicles may require additional gearing, especially when running taller tires. Also note the warning regarding P65 exposure (Cancer and Reproductive Harm).\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064198131958,"sku":"4949HD","price":402.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/49490b-scaled-1_be8f0032-5190-4ce8-a8b2-980fe849f6cc.png?v=1793210147"},{"product_id":"c4-24-spline-night-stalker-series-200-rpm-over-stock-ford-towing-torque-converter-part-number-2504hd","title":"C4 24 Spline Night Stalker Series 200 RPM Over Stock Ford Towing Torque Converter Part Number 2504HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eFord C4 Night Stalker Series Torque Converter (Part No. 2504HD)\u003c\/h2\u003e \u003cp\u003eUpgrade your drivetrain with this high-quality, Step Over Stock torque converter built for great driving and towing characteristics. Precision CNC machined and rigorously tested, this unit is designed to enhance performance while providing reliable power delivery for your Ford C4 application. Crafted with extreme duty components, this converter ensures durability even under demanding conditions.\u003c\/p\u003e \u003ch3\u003eKey Technical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Compatibility: Ford C4\u003c\/li\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003ePart Number: 2504HD\u003c\/li\u003e \u003cli\u003eStall Range: 200 - 300 RPM (Over Stock)\u003c\/li\u003e \u003cli\u003eCore Diameter: 12 inches\u003c\/li\u003e \u003cli\u003eBellhousing Fitment: Big Bellhousing\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 11 7\/16 inches\u003c\/li\u003e \u003cli\u003eTurbine Hub: 24 Spline, Precision CNC Machined\u003c\/li\u003e \u003cli\u003eTorque Converter Height: Built to 5 7\/8 inches Tall\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Moley, Precision CNC Machined\u003c\/li\u003e \u003cli\u003eCrank Pilot Diameter: 1.375 inch\u003c\/li\u003e \u003cli\u003eBolt Size Compatibility: 3\/8 X 16 TPI (Grade 8 ONLY)\u003c\/li\u003e \u003cli\u003eNut Size Compatibility: 3\/8 X 24 TPI (Grade 8 ONLY)\u003c\/li\u003e \u003cli\u003eInternal Components: Torrington Style Incased Bearings, Modified Extreme Duty Stator, No Anti-Balloon Plates\u003c\/li\u003e \u003cli\u003eQuality Assurance: Leak \u0026amp; Pressure Tested, Digitally Balanced, Quality Inspections at Every Step\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation Recommendations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor optimal performance, use Old School Type F transmission fluid.\u003c\/li\u003e \u003cli\u003eAlways utilize an additional Transmission Cooler for best results.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite during assembly.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on specific vehicle setups and will vary depending on your installation. Please contact us for personalized information.\u003c\/li\u003e \u003cli\u003eWe recommend upgrading to a \"Street Bandit Series\" torque converter if you have modified two or more items, such as Intake, Heads, Headers, Exhaust, Camshaft, or Gearing.\u003c\/li\u003e \u003cli\u003eFor applications involving significant power adders (Nitrous Oxide, Turbocharger, Supercharger, or a Trans Brake), we recommend upgrading to an \"Out Law Racing Series\" torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cem\u003eBuilding High Performance \u0026amp; Racing Converters Since 1970! Veteran Owned and Family Run.\u003c\/em\u003e\u003c\/p\u003e \u003cp class=\"small-print\"\u003eWarning: Cancer and Reproductive Harm - www.P65warning.ca.gov\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064201703670,"sku":"2504HD","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26062b-scaled-1_669029cb-5bc4-4f21-98e6-c9185d378b82.png?v=1793210149"},{"product_id":"fmx-night-stalker-series-16-2-200-rpm-ford-torque-converter-part-number-21192","title":"FMX Night Stalker Series 16-2,200 RPM Ford Torque Converter Part Number 21192","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eFord FMX Windsor Motors Night Stalker Series Torque Converter - Part #21192\u003c\/h2\u003e \u003cp\u003eEngineered for high-performance and serious racing applications, this Night Stalker Series torque converter is precision CNC machined to deliver robust performance matched with durable construction. Built using premium components and rigorous quality control, this converter is ready to handle extreme duty while offering exceptional reliability in your driveline setup.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21192\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTransmission Application:\u003c\/strong\u003e Small Pilot\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Size:\u003c\/strong\u003e 12 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle Diameter:\u003c\/strong\u003e 11 7\/16 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 1,600 - 2,200 RPM\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTurbine Hub:\u003c\/strong\u003e 29 Spline Turbine Hub\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey Construction \u0026amp; Fitment Details\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePrecision CNC Machined components throughout.\u003c\/li\u003e \u003cli\u003eBuilt to 5 7\/8 inch Tall for Big Bellhousing compatibility.\u003c\/li\u003e \u003cli\u003eFeatures a Hardened Chrome Moly Impeller Hub and Modified Extreme Duty Stator.\u003c\/li\u003e \u003cli\u003e1.375 inch Crank Pilot diameter.\u003c\/li\u003e \u003cli\u003eTorrington Style Incased Bearings ensure smooth operation under high stress.\u003c\/li\u003e \u003cli\u003eImpeller Hub accepts a 164 Tooth Flywheel for optimal pairing.\u003c\/li\u003e \u003cli\u003eHardware included: Nut Size 3\/8 X 24 TPI (Grade 8 only).\u003c\/li\u003e \u003cli\u003eHigh-quality construction includes Tac Welded\/Furnace-Brazed corner fins and no Anti-Balloon Plates.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eQuality Assurance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eLeak and Pressure Tested before shipment.\u003c\/li\u003e \u003cli\u003eDigitally Balanced for optimal performance stability.\u003c\/li\u003e \u003cli\u003eUndergoes Quality Inspections at every manufacturing step.\u003c\/li\u003e \u003cli\u003eProudly MADE IN THE USA.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Tuning Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F transmission fluid for the best operating results.\u003c\/li\u003e \u003cli\u003eApplying Blue Loctite is recommended during assembly.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eStall ranges advertised are based on a specific vehicle setup; actual performance will vary depending on your unique configuration.\u003c\/li\u003e \u003cli\u003eIf the current stall range pulls the motor down, increased stall RPM is advised by consulting our experts.\u003c\/li\u003e \u003cli\u003eFor detailed installation advice or to discuss your specific application, please contact us at (888) 267-7464.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding high performance and racing converters since 1970, we help you match your application to peak performance. Consider upgrading to our \"Street Bandit Series\" for moderate builds or the \"Out Law Racing Series\" when integrating powerful add-ons like Nitrous Oxide, Turbochargers, or Superchargers.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064202064118,"sku":"21192","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26501b-scaled-1_4dde1ead-b321-47c6-a7f1-d308646d0df4.png?v=1793210151"},{"product_id":"aode-night-stalker-stock-replacement-no-stall-added-lock-up-ford-torque-converter-part-number-26555","title":"AODE Night Stalker Stock Replacement No Stall Added Lock Up Ford Torque Converter Part Number 26555","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - Ford AODE (Part # 26555)\u003c\/h2\u003e \u003cp\u003eThis high-performance torque converter is designed specifically for the 2-step input shaft on your Ford AODE transmission. Engineered with premium materials and rigorous quality checks, this unit provides the factory standard performance while ensuring durability for your drivetrain.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Type: Ford AODE\u003c\/li\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003eInput Shaft: 31 Spline (fits 2-step input)\u003c\/li\u003e \u003cli\u003eStall Range: Stock Stall - No added stall pressure\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 11 3\/8 inches\u003c\/li\u003e \u003cli\u003eCore Size: Factory 11.5 inch\u003c\/li\u003e \u003cli\u003eStator: Modified Heavy Duty Stator\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Moly\u003c\/li\u003e \u003cli\u003eBearings: Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eLock Up: Oversized Extreme Duty Lock Up\u003c\/li\u003e \u003cli\u003eCrank Pilot: Factory 1.375 inch\u003c\/li\u003e \u003cli\u003eBolt Size: 3\/8 X 24 TPI Nuts\u003c\/li\u003e \u003cli\u003eAnti-Balloon Plates: No\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDigitally balanced for smooth operation.\u003c\/li\u003e \u003cli\u003eConstructed with 4 Corner tac Welded Fins or FURNACE Brazed construction.\u003c\/li\u003e \u003cli\u003eGuaranteed quality through leak and pressure testing at every step.\u003c\/li\u003e \u003cli\u003eDesigned to accommodate smaller diameter 4R70W applications, provided the bolt pattern matches this 12\" converter.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Old School Type F Transmission Fluid for optimal performance.\u003c\/li\u003e \u003cli\u003eAlways install an additional transmission cooler for reliable operation.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite to critical fasteners.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Information\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on specific vehicle setups and may vary depending on your installation. Please contact us for tailored advice.\u003c\/li\u003e \u003cli\u003eWe recommend upgrading to a \"Street Bandit Series\" torque converter if you have upgraded two or more drivetrain components (e.g., Intake, Heads, Headers, Exhaust, Cam, or Gearing).\u003c\/li\u003e \u003cli\u003eIf you utilize power adders such as Nitrous Oxide (NOS), Turbocharger, or Supercharger, consider upgrading to our \"Out Law Series\" for enhanced durability.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding high performance \u0026amp; racing converters since 1970! Veteran owned and family run. Contact us today for technical support or to discuss your transmission setup needs.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064207536374,"sku":"26555","price":388.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26501b-scaled-1_51b4f9c6-6f56-4333-97b9-bb74e38e6fdf.png?v=1793210169"},{"product_id":"c6-fe-night-stalker-series-200-rpm-over-stock-ford-towing-torque-converter-part-number-2601hd","title":"C6 FE Night Stalker Series 200 RPM Over Stock Ford Towing Torque Converter Part Number 2601HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eFord C6 FE Motors - BIG Pilot - NIGHT STALKER SERIES Torque Converter (1.848\")\u003c\/h2\u003e \u003cp\u003eAchieve maximum performance with this high-quality, precision-machined torque converter designed specifically for Ford C6 FE Motors. Built in the USA and available from experienced veterans, this Night Stalker series converter is engineered to handle extreme duty applications while providing a reliable match for your powerful build.\u003c\/p\u003e \u003cp\u003eThis specific unit features a generous 12-inch core and is backed by meticulous quality inspections at every step. If your current setup pulls the motor down, this converter offers the enhanced stall range needed to keep your power delivery optimized.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ford C6 FE Motors\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\/Model:\u003c\/strong\u003e 2601HD (Referenced)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 - 300 RPM (Over Stock)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot Size:\u003c\/strong\u003e 1.848 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Diameter:\u003c\/strong\u003e 12 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub Material:\u003c\/strong\u003e Hardened Chrome Moley\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearing Type:\u003c\/strong\u003e Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStator Type:\u003c\/strong\u003e Modified Extreme Duty Stator\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle:\u003c\/strong\u003e 11 7\/16 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpline Count:\u003c\/strong\u003e 31 Spline Turbine Hub\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShaft Detail:\u003c\/strong\u003e Precision CNC Machined, Built to 5 7\/8 inch Tall\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Care\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse old school type F transmission fluid for the best operational results.\u003c\/li\u003e \u003cli\u003eAlways use an additional transmission cooler with high-performance setups.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite for enhanced assembly security.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup and may vary depending on your application. Please contact us for consultation regarding dialing in your perfect match.\u003c\/li\u003e \u003cli\u003eFor extreme performance builds, we recommend upgrading to a Street Bandit Series if you have upgraded two items (Intake, Heads, Headers, Exhaust, Cam, or Gearing).\u003c\/li\u003e \u003cli\u003eIf your build includes power adders such as Nitrous Oxide, Turbocharger(s), Supercharger, or a transmission brake, consider our Outlaw Racing Series torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eReady to build high performance? We specialize in building custom and racing converters since 1970. Veteran owned and family run!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064211075318,"sku":"2601HD","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26062b-scaled-1_60d75620-4bc0-4b5e-92d5-af25a6e73894.png?v=1793210172"},{"product_id":"th350-th400-night-stalker-series-200-rpm-over-stock-towing-gm-torque-converter-part-number-4701hd","title":"TH350 TH400 Night Stalker Series 200 RPM Over Stock Towing GM Torque Converter Part Number 4701HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGM TH350\/TH400 PG - 30 Spline Night Stalker Series Torque Converter\u003c\/h2\u003e \u003cp\u003eAchieve optimal performance and reliability with our precision-machined Night Stalker Series torque converter, specifically designed for GM TH350 and TH400 transmissions. This robust unit provides exceptional durability and handles high-performance applications, making it the perfect match for your upgraded drivetrain setup.\u003c\/p\u003e \u003cp\u003eOur converters are built using quality materials and undergo rigorous testing to ensure they meet high-performance demands while offering a classic, heavy-duty build quality. This model is factory matched to the TH400 when paired with the proper Flex-Plate.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTorque Converter Series: Night Stalker Series\u003c\/li\u003e \u003cli\u003eTransmission Compatibility: GM TH350\/TH400 PG\u003c\/li\u003e \u003cli\u003ePart Number: 4701HD\u003c\/li\u003e \u003cli\u003eSpline Count: 30 Spline Turbine Hub\u003c\/li\u003e \u003cli\u003eStall Range: 200 - 300 RPM (Over Stock performance)\u003c\/li\u003e \u003cli\u003eCore Diameter: Factory 12 inch Core\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 10.75 inches\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Moley, Precision CNC Machined\u003c\/li\u003e \u003cli\u003eBearings: Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eStator: Modified Extreme Duty Stator, Digitally Balanced\u003c\/li\u003e \u003cli\u003eCrank Pilot: 1.703 inch\u003c\/li\u003e \u003cli\u003eBolt Size: 10mm X 1.5 Pitch Threads Class 10 or Stronger\u003c\/li\u003e \u003cli\u003eAdditional Features: No Anti-Balloon Plate, Four Corner Tac Welded Fins or Furnace-Brazed\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eWill NOT interchange with the TH350C.\u003c\/li\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle setup and will vary depending on your installation. Please contact us for precise matching information.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eMaintenance \u0026amp; Setup Advice\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor best performance, use Type F transmission fluid.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite for proper assembly and retention of components.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUpgrade Recommendation:\u003c\/strong\u003e If you have upgraded two or more drivetrain items (such as Intake, Heads, Headers, Exhaust, Cam, or Gearing), consider upgrading to our \"Street Bandit Series\" torque converter. For extreme power adders (Nitrous, Turbocharger, Supercharger, or Trans Brake), upgrade to the \"Out Law Racing Series.\"\u003c\/p\u003e \u003cp\u003eBuilding high performance and racing converters since 1970. We are a veteran-owned and family-run business dedicated to quality.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064212091126,"sku":"4701HD","price":348.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/4749E_474490e1-1a8b-478e-950e-eda935e8f91b.png?v=1793210183"},{"product_id":"aode-night-stalker-200-rpm-over-stock-lock-up-ford-towing-torque-converter-part-number-2650hd","title":"AODE Night Stalker 200 RPM Over Stock Lock Up Ford Towing Torque Converter Part Number 2650HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - Heavy Duty AFTERMARKET Build for Ford AODE Transmissions\u003c\/h2\u003e \u003cp\u003eEngineered for serious performance applications, this Night Stalker Series torque converter is built to withstand extreme duty cycles while maintaining optimal shifting characteristics. Specifically designed for transmissions requiring a 2-step input shaft, this converter enhances power delivery and ensures reliability in high-performance builds. Though it features a factory 12\" core, buyers must verify the bolt pattern dimensions against their application.\u003c\/p\u003e \u003cp\u003eWarning: While this unit is a high-quality, heavy-duty assembly, care must be taken when matching dimensions. Please note that this converter utilizes a Bolt Circle of 11 3\/8 inches, making it distinct from converters designed for smaller diameter applications (such as the 4R70W).\u003c\/p\u003e \u003ch3\u003eKey Product Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication Fitment:\u003c\/strong\u003e Factory 11.5\" Core, Bolt Circle 11 3\/8 inches, 31 Spline Input Shaft\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 - 300+ Over Stock RPM Stall\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Construction:\u003c\/strong\u003e Hardened Chrome Moly Impeller Hub with Modified Heavy Duty Stator\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e Torrington Style Incased Bearings for longevity\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockup Clutch:\u003c\/strong\u003e Over Sized Extreme Duty Lock Up\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot:\u003c\/strong\u003e Factory 1.375 inch Bore\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Size:\u003c\/strong\u003e 3\/8 X 24 TPI Nuts\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuild Quality:\u003c\/strong\u003e Digitally Balanced, Leak \u0026amp; Pressure Tested, quality inspections at every step\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConstruction Detail:\u003c\/strong\u003e 4 Corner Tac Welded Fins or Furnace Brazed construction\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance and Installation Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup and will vary depending on your application. Please contact our technical support team for detailed consultation.\u003c\/li\u003e \u003cli\u003eFor optimal performance and durability, we strongly recommend matching the fluid type to the original factory specifications.\u003c\/li\u003e \u003cli\u003eAlways utilize a quality transmission cooler when running performance applications like this build to manage heat and maintain efficiency.\u003c\/li\u003e \u003cli\u003eUse high-quality thread locker (e.g., Blue Loctite) on all fasteners to ensure maximum holding power and prevent vibration loosening.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Details\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eVeteran Owned and Family Run since 1970.\u003c\/li\u003e \u003cli\u003eConsider upgrading to our \"Street Bandit Series\" if you have performance upgrades to your Intake, Heads, Headers, Exhaust, Camshaft, or Gearing.\u003c\/li\u003e \u003cli\u003eFor extreme power adders (NOS, Turbocharger, Supercharger), we recommend the \"Outlaw Series\" torque converter.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eFor expert assistance regarding sizing and application suitability, please visit our parts chart or call us at (888) 267-7464. We are dedicated to building high performance and racing converters since 1970.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064215728374,"sku":"2650HD","price":388.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/26501b-scaled-1_3b972534-2e56-469f-a834-041af639b5a7.png?v=1793210187"},{"product_id":"700r4-298mm-night-stalker-200-rpm-over-stock-lock-up-gm-towing-torque-converter-part-number-4844hd","title":"700R4 298mm Night Stalker 200 RPM Over Stock Lock Up GM Towing Torque Converter Part Number 4844HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGM Chevy 700R4 Night Stalker Series Torque Converter (Part #4844HD)\u003c\/h2\u003e \u003cp\u003eMaintain peak performance and optimal fluid coupling in your GM LT-type engine with our high-quality, factory-inspected Night Stalker series torque converter. This heavy-duty conversion is engineered for reliable shifts and robust operation, ensuring your powertrain delivers the consistent power needed for demanding driving conditions. Made in the USA, this converter is built to exceed factory specifications.\u003c\/p\u003e \u003ch3\u003eQuick Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4844HD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication Fitment:\u003c\/strong\u003e GM LT Type Engines (For 3-Step Input Shaft)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 - 300 RPM (Over Stock)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore Size:\u003c\/strong\u003e Factory 12 Inch Core\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Shaft:\u003c\/strong\u003e 30 Spline Input Shaft\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eConstruction \u0026amp; Key Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHardened Chrome Moly Impeller Hub provides superior durability.\u003c\/li\u003e \u003cli\u003eFeatures Torrington Style Incased Bearings for smooth, efficient operation.\u003c\/li\u003e \u003cli\u003eModified Heavy Duty Stator enhances control and performance.\u003c\/li\u003e \u003cli\u003eExtreme Duty Lock Up provides a solid, predictable coupling action when required.\u003c\/li\u003e \u003cli\u003eFactory 1.703-inch Crank Pilot is precisely drilled and tested.\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: 10.75 inches for perfect fitment.\u003c\/li\u003e \u003cli\u003eQuality assured with Leak \u0026amp; Pressure Testing and Digital Balancing.\u003c\/li\u003e \u003cli\u003eConstruction includes 4 Corner Tac Welded Fins or Furnace Brazed connections for ultimate strength.\u003c\/li\u003e \u003cli\u003eIncludes No Anti-Balloon Plates and undergoes thorough quality inspections at every step.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; Performance Tips\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for the best overall operating results.\u003c\/li\u003e \u003cli\u003eAlways utilize a transmission cooler to manage heat buildup during demanding use.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite for maximum durability on all relevant fasteners.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Notes \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eStall ranges are highly dependent on specific vehicle setup; advertised stalls serve as a baseline. Please contact us for detailed performance consultation regarding your application.\u003c\/li\u003e \u003cli\u003eIf your vehicle has been upgraded with intake, headers, exhaust, or gearing, we recommend upgrading to our \"Street Bandit Series\" torque converter for matched performance.\u003c\/li\u003e \u003cli\u003eFor applications involving power adders such as Nitrous Oxide (NOS), Turbochargers, Superchargers, or installing a Transmission Brake, the \"Out Law Series\" torque converter is recommended.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding High Performance \u0026amp; Racing Converters Since 1970! We stand by our quality and craftsmanship. (Warning: Cancer and Reproductive Harm - www.P65warning.ca.gov)\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064216056054,"sku":"4844HD","price":388.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/48442b-scaled-1_35c40ba4-3930-48c0-90c6-a4465996cda8.png?v=1793210191"},{"product_id":"4l80e-4l85e-ls-night-stalker-series-stock-replacement-no-stall-added-lock-up-gm-torque-converter-part-number-49490","title":"4L80E 4L85E LS Night Stalker Series Stock Replacement No Stall Added Lock Up GM Torque Converter Part Number 49490","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGM Chevy LS Torque Converter - NIGHT STALKER SERIES (4L80E\/4L85E)\u003c\/h2\u003e \u003cp\u003eEnhance your drivetrain with our high-performance Night Stalker Series Torque Converter, engineered specifically for GM Chevy LS engines. This unit is matched to factory specifications while incorporating heavy-duty components for reliability and durability in demanding applications. Restore factory performance or upgrade with confidence knowing your conversion is built with quality materials and rigorous testing.\u003c\/p\u003e \u003ch3\u003eKey Product Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Compatibility: 4L80E \/ 4L85E\u003c\/li\u003e \u003cli\u003eEngine Application: GM LS Series Engines\u003c\/li\u003e \u003cli\u003eSeries: Night Stalker Series\u003c\/li\u003e \u003cli\u003ePart Number: 49490\u003c\/li\u003e \u003cli\u003eStall Range: Stock Stall (No added stall)\u003c\/li\u003e \u003cli\u003eInput Shaft: 35 Spline, bores matched for factory 2-step shaft\u003c\/li\u003e \u003cli\u003eCore Size: Factory 13 inch casing\u003c\/li\u003e \u003cli\u003eBolt Circle Diameter: Factory 11.675 inches\u003c\/li\u003e \u003cli\u003eImpeller Hub: Hardened Chrome Molly, 2.5 inch Impeller Hub\u003c\/li\u003e \u003cli\u003eTorque Converter Style: Modified Extreme Duty Stator, Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eConstruction Details: Oversized Extreme Duty Single Disk Lock Up, встречается 4 Corner tac Welded Fins or Furnace Brazed\u003c\/li\u003e \u003cli\u003eDrain Plug\/Pilot Diameter: 1.703 inch Crank Pilot\u003c\/li\u003e \u003cli\u003eBolt Size: 10mm X 1.5 Pitch (Class 10.9 or stronger)\u003c\/li\u003e \u003cli\u003eAnti-Balloon Plates: No\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eQuality Assurance\u003c\/h3\u003e \u003cp\u003eEach unit undergoes strict quality controls to ensure maximum performance and longevity, including:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLeak \u0026amp; Pressure Tested\u003c\/li\u003e \u003cli\u003eDigitally Balanced\u003c\/li\u003e \u003cli\u003eExtreme Temperature Heavy Duty O-ring sealing\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Application Guidance\u003c\/h3\u003e \u003cp\u003eAchieve optimal performance and protect your installation with these guidelines:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUse Type F Transmission Fluid for best operational results.\u003c\/li\u003e \u003cli\u003eAlways utilize a transmission cooler to manage heat buildup during operation.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite when securing components for maximum vibration resistance.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall performance is highly dependent on the specific vehicle's overall setup and conditions.\u003c\/li\u003e \u003cli\u003eHigher gear ratios may be required, especially when fitted with taller tires.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePerformance Upgrades:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIf you have upgraded intake, headers, exhaust, or cam, we recommend considering our \"Street Bandit Series\" torque converter for a perfect match.\u003c\/li\u003e \u003cli\u003eFor applications involving power adders such as Nitrous Oxide (NOS), Turbochargers, or Superchargers, the \"Out Law Series\" is advised.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cem\u003eBuilding High Performance \u0026amp; Racing Converters Since 1970! Veteran \u0026amp; Family owned and Run company.\u003c\/em\u003e\u003c\/p\u003e \u003cp class=\"small-print\"\u003eDisclaimer: WARNING - Cancer and Reproductive Harm - www.P65warning.ca.gov\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064216449270,"sku":"49490","price":402.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/49490b-scaled-1_5e57d31b-942b-4bdc-89cd-ad3aa7cb9952.png?v=1793210198"},{"product_id":"th350c-street-bandit-22-2-800-rpm-lock-up-gm-torque-converter-part-number-47432","title":"TH350C Street Bandit 22-2,800 RPM Lock Up GM Torque Converter Part Number 47432","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eStreet Bandit Series Torque Converter – GM Chevy TH350C (298mm)\u003c\/h2\u003e \u003cp\u003eAchieve optimal performance and durability with our premium Street Bandit Series Torque Converter, specifically engineered for the GM Chevy TH350C application. This high-performance lock-up converter is designed for LT type engines that demand extreme duty and reliable operation, providing a robust match for high-revving or performance applications.\u003c\/p\u003e \u003cp\u003eOur converters are built to withstand severe driving conditions while maintaining a precise, responsive stall characteristic. Featuring precision machining and premium materials, this unit is ready to handle your toughest driving demands.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission Compatibility: GM Chevy TH350C\u003c\/li\u003e \u003cli\u003eSeries\/Application: Street Bandit Series (Ideal for Choppy Cams \u0026amp; Lightweight Vehicles)\u003c\/li\u003e \u003cli\u003ePart Number: 47432\u003c\/li\u003e \u003cli\u003eStall Range: 2,200 - 2,800 RPM\u003c\/li\u003e \u003cli\u003eSize\/Dimensions: 298mm Torque Converter Body, 9.6 inch Core Diameter\u003c\/li\u003e \u003cli\u003eInput Shaft: 30 Spline Input Shaft (Fits 3 step input shaft)\u003c\/li\u003e \u003cli\u003eConstruction: Super Lightweight Lock Up Converter with Hardened Chrome Moly Hub and Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003eTechnical Details: 1.703 inch Crank Pilot Precision CNC Machined, Bolt Circle: 10.75 inches\u003c\/li\u003e \u003cli\u003eDrive Components: No Anti-Balloon Plates, 4 Corner Tac Welded Fins or Furnish Brazed\u003c\/li\u003e \u003cli\u003eManufacturing: Digitally Balanced, Leak \u0026amp; Pressure Tested, Quality Inspections throughout every step\u003c\/li\u003e \u003cli\u003eAssembly Feature: Deleted the need for End of Input Shaft O-Ring\u003c\/li\u003e \u003cli\u003eBolt Size: 3\/8 X 16 TPI (Grade 8 Hardware Required)\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Tips\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor the best operational results, use Old School Type F transmission fluid.\u003c\/li\u003e \u003cli\u003eAlways incorporate an additional transmission cooler when operating under high load or extreme temperatures.\u003c\/li\u003e \u003cli\u003eApply Blue Loctite to ensure maximum fluid retention and integrity.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdvertised stall ranges are based on specific vehicle setups and may vary depending on your unique application. Please contact us for in-depth setup consultation.\u003c\/li\u003e \u003cli\u003eFor applications involving power adders such as Nitrous Oxide, Turbochargers, Superchargers, or Trans Brakes, we recommend upgrading to our \"Out Law Series\" torque converter for uncompromising durability.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e— Building High Performance \u0026amp; Racing Converters Since 1970! Made in the USA.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064222478582,"sku":"47432","price":548.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/Resized_20240810_084140_1723297333346-1_8932b4e4-d2dd-47c1-8995-d1828d24adb5.png?v=1793210216"},{"product_id":"200r-700r4-night-stalker-series-200-rpm-over-stock-towing-lock-up-gm-torque-converter-part-number-4840hd","title":"200R 700R4 Night Stalker Series 200 RPM Over Stock Towing Lock Up GM Torque Converter Part Number 4840HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eGM Chevy 700R4 200R 298mm Torque Converter - NIGHT STALKER SERIES\u003c\/h2\u003e \u003cp\u003eElevate your powertrain with our high-performance Torque Converter, specifically engineered for LT type engines. The NIGHT STALKER SERIES is designed to provide reliable, extreme-duty performance while maintaining factory integrity. Built with meticulous quality controls and race-grade components, this converter ensures optimal power transfer and durability for demanding applications.\u003c\/p\u003e \u003cp\u003eThis heavy-duty torque converter is built to withstand extreme conditions, offering dependable performance in both stock and upgraded setups. Installation into the 3-step input shaft is seamless, providing unmatched performance when paired with your specific vehicle setup.\u003c\/p\u003e \u003ch3\u003eProduct Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTransmission Type:\u003c\/strong\u003e GM Chevy 700R4\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e NIGHT STALKER SERIES (LT Type Engines)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4840HD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Shaft Size:\u003c\/strong\u003e 27 Spline Input Shaft (Count smaller splines)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e 200 - 300 RPM (Over Stock)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle:\u003c\/strong\u003e 10.75 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStator\/Bearings:\u003c\/strong\u003e Modified Heavy Duty Stator with Torrington Style Incased Bearings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrain\/Pilot:\u003c\/strong\u003e Factory 1.703 inch Crank Pilot\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConstruction Details:\u003c\/strong\u003e 4 Corner tac Welded Fins or Furnace Brazed, Extreme Duty Lock Up\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFluid Compatibility:\u003c\/strong\u003e Requires Type F Transmission Fluid for optimal performance.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eExtreme Duty construction designed for heavy usage and high-performance builds.\u003c\/li\u003e \u003cli\u003eQuality assurance includes Leak \u0026amp; Pressure Testing and Digital Balancing for perfect operation.\u003c\/li\u003e \u003cli\u003eExtreme Temp Heavy Duty O-ring seals against leaks and high pressure.\u003c\/li\u003e \u003cli\u003eBolt size matches 10MM X 1.5 Pitch threads for proper installation.\u003c\/li\u003e \u003cli\u003eEquipped with No Anti-Balloon Plates, ensuring aggressive and immediate response.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Application Notes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll advertised stall ranges are based on a specific vehicle's setup and may vary upon installation.\u003c\/li\u003e \u003cli\u003eConsult our experts at 888-267-7464 for setup advice specific to your vehicle.\u003c\/li\u003e \u003cli\u003eFor maximum durability and cooling, we recommend upgrading to a Transmission Cooler when using this unit.\u003c\/li\u003e \u003cli\u003eWhen installing, use Blue Loctite for secure assembly.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003ePerformance Recommendations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eIf you have upgraded your intake, headers, exhaust, cam, or gearing, we recommend the \"Street Bandit Series.\"\u003c\/li\u003e \u003cli\u003eIf your build includes power adders such as Nitrous Oxide (NOS), Turbocharger(s), Supercharger, or a Trans Brake, consider the \"Out Law Series.\"\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eProudly MADE IN THE USA, our torque converters are the culmination of decades of experience dedicated to building high-performance and racing drives since 1970. Ensure your powertrain performs flawlessly with a professionally built converter.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064225853686,"sku":"4840HD","price":388.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/48400b-scaled-1_5b069af8-03ff-4825-aa24-891ad869aba0.png?v=1793210219"},{"product_id":"4l60e-298mm-lt-night-stalker-series-200-rpm-over-stock-lock-up-gm-torque-converter-part-number-4944hd","title":"4L60E 298mm LT Night Stalker Series 200 RPM Over Stock Lock Up GM Torque Converter Part Number 4944HD","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eNight Stalker Series Torque Converter - GM Chevy 4L60E (298mm) Part #4944HD\u003c\/h2\u003e \u003cp\u003eElevate your drivetrain with this professional-grade Night Stalker Series Torque Converter, engineered specifically for the GM Chevy 4L60E transmission. Designed to match factory specifications while offering extreme durability and precise performance, this 298mm converter is built to handle the demands of both stock upgrades and serious performance builds from up to 1997 models.\u003c\/p\u003e \u003cp\u003eRestoring your drivetrain or building a high-performance machine requires components that won't fail under pressure. This unit undergoes rigorous quality inspections, including leak and pressure testing, ensuring you receive a dependable upgrade that matches the power of your engine.\u003c\/p\u003e \u003ch3\u003eProduct Details \u0026amp; Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e GM Chevy 4L60E Transmission\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTorque Converter Series:\u003c\/strong\u003e Night Stalker Series\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4944HD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStall Range:\u003c\/strong\u003e Tested for 200 – 300 RPM stall over stock\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Shaft:\u003c\/strong\u003e 3 Step Input Shaft with 30 Spline connection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpeller Hub:\u003c\/strong\u003e Hardened Chrome Moly construction for maximum strength\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBearing System:\u003c\/strong\u003e Torrington Style Incased Bearings provide smooth, reliable operation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStator:\u003c\/strong\u003e Modified Extreme Duty Stator matched with extreme duty lock-up\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCrank Pilot:\u003c\/strong\u003e Factory 1.703 inch bore\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt Circle Diameter:\u003c\/strong\u003e 10.75 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolting Hardware:\u003c\/strong\u003e 10MM X 1.5 Pitch Class 10 or stronger bolts\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Digitally balanced, furnace brazed\/Tac welded fins for optimal heat dissipation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlates:\u003c\/strong\u003e No Anti-Balloon Plates included\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation Guidance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eUse Type F ATF for optimal performance and fluid compatibility.\u003c\/li\u003e \u003cli\u003eAlways install a transmission cooler when pairing this torque converter with high-performance setups.\u003c\/li\u003e \u003cli\u003eSecure all hardware using Blue Loctite for maximum reliability.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eImportant Considerations\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAll stall ranges are dependent on your specific vehicle setup and tuning. Please contact us for personalized advice regarding expected stalls.\u003c\/li\u003e \u003cli\u003eConsidering a build? We recommend upgrading to our \"Street Bandit Series\" if you have modified two or more drivetrain components (such as intake, heads, headers, exhaust, cam, or gearing). For extreme power applications including Nitrous Oxide, Turbochargers, or Superchargers, the \"Out Law Racing Series\" is advised.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eBuilding high performance and racing converters since 1970! We are a veteran and family-owned company dedicated to quality control in every build.\u003c\/p\u003e","brand":"Boss Hogg","offers":[{"title":"Default Title","offer_id":52064226050294,"sku":"4944HD","price":388.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/7261\/9766\/files\/49443c-scaled-1_0d79b4f1-be26-4ae5-b36b-f4a4c57279f8.png?v=1793210224"}],"url":"https:\/\/bosshogtorqueconverters.com\/collections\/shop-by-application-towing-torque-converters.oembed","provider":"Boss Hog Torque Converters","version":"1.0","type":"link"}