TH400 TH350 Mid Plate Pilot Dirt Track 20-2,200 RPM GM Racing Torque Converter Part Number 46211

DIRT TRACK RACING SERIES Torque Converter | GM Chevy TH400/TH350 PowerGlide - Part #46211

Engineered for extreme duty, this high-performance torque converter is the ultimate upgrade for competitive drag racing and heavy-duty applications. Designed with a lightweight, yet incredibly robust construction, our 30 spline conversion provides the perfect match for Choppy Cam setups, powerful turbocharged applications, and vintage PowerGlide transmissions. Manufactured in the USA with attention to detail, this converter delivers unmatched reliability when matched with quality installation practices.

Ideal for vehicles requiring maximum durability under high RPMs and aggressive throttle inputs, this converter is precision-machined to handle the rigors of dedicated racing use.

Key Technical Specifications

• Transmission Fitment: GM Chevy TH400, TH350 PowerGlide
• Series Designation: Dirt Track Racing Series (Super Lightweight)
• Part Number: 46211
• Stall Range (Advertised): 2,000 - 2,200 RPM
• Core Diameter: 9.6 inch
• Bolt Circle Diameter: 11.50 inches
• Turbine Hub Splines: 30 Spline
• Impeller Hub Detail: Precision CNC Machined Hardened Chrome Moley
• Crank Pilot Diameter: 1.703 inch
• Bolt Size: 3/8 X 16 TPI (Grade 8 hardware required)
• Construction Features: Anti-Balloon Plates, Torrington Style Incased Bearings, Modified Extreme Duty Stator
• Quality Assurance: Whole Back Cover Quenched and Hardened, All Pump & Turbine Fins Welded/Furnace-Brazed, Leak & Pressure Tested, Digitally Balanced.

Application Guidance

This converter is specifically designed for high-output scenarios and offers excellent compatibility with performance enhancements, including Nitrous Oxide, Turbochargers, Super Chargers, and various transmission breathers. While it fits TH350 applications, pairing with the proper Flex-Plate is required for full compatibility.

Installation & Performance Notes

• Use Type F transmission fluid for optimal operational results.
• Always install an additional transmission cooler to manage heat build-up during race applications.
• Apply Blue Loctite liberally for maximum hold and leak prevention.

Important Considerations

• Stall ranges advertised are based on a specific vehicle's setup and may vary depending entirely upon your application. Please contact us at (888) 267-7464 for personalized advice.