{"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","url":"https:\/\/bosshogtorqueconverters.com\/products\/th350-th400-night-stalker-series-200-rpm-over-stock-towing-gm-torque-converter-part-number-4701hd","provider":"Boss Hog Torque Converters","version":"1.0","type":"link"}