{"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","url":"https:\/\/bosshogtorqueconverters.com\/products\/6l80e-6l90e-ls-night-stalker-200-rpm-over-stock-lock-up-gm-towing-torque-converter-part-number-4540hd","provider":"Boss Hog Torque Converters","version":"1.0","type":"link"}