TH400 TH350 Dirt Track 20-2,200 RPM GM Racing Torque Converter Part Number 46111

GM Chevy TH400/TH350 PowerGlide Torque Converter - Dirt Track Racing Series

Engineered for aggressive, high-performance applications, this Torrington-style torque converter is built to handle the extreme demands of dirt track racing. Precision CNC machined and manufactured in the USA, this unit provides unmatched durability and optimized performance for chopped cams and lightweight setups. Experience reliable power transfer with a robust, super lightweight design.

This converter is specifically matched for the TH350 and compatible with the PowerGlide series when fitted with the appropriate Flex-Plate, making it an ideal match for powering your high-performance build.

Key Features & Specifications

• Transmission Compatibility: TH400 / TH350 PowerGlide
• Series/Application: Dirt Track Racing Series (Ideal for Choppy Cams & Lightweight Vehicles)
• Turbine Hub: 30 Spline Turbine Hub (Precision CNC Machined)
• Core Diameter: 10 inch
• Bolt Circle Diameter: 11.50 inches
• Impeller Hub: Hardened Chrome Moley (Precision CNC Machined)
• Crank Pilot Size: 1.703 inch
• Bolt Size Specification: 3/8 X 16 TPI (Grade 8 Hardware Recommended)
• Construction: All Pump & Turbine Fins are Welded or Furnace-Brazed for maximum strength
• Bearing System: Torrington Style Incased Bearings
• Stall Range: 2,000 - 2,200 RPM (Note: Actual range depends on specific vehicle setup)
• Included Features: Modified Extreme Duty Stator, No Anti-Balloon Plates

Installation & Performance Notes

• Ensure proper installation when fitting the TH350 to PowerGlide; a specific Flex-Plate is required.
• For optimal performance, always utilize Type F transmission fluid.
• We strongly recommend using an additional transmission cooler for extreme duty applications.
• Applying Blue Loctite is advised during assembly/installation.

Due to the variables of every vehicle build, all advertised stall ranges are based on a specific setup and will vary depending on your application. Contact us for expert advice regarding your unique build.

Building high-performance and racing converters since 1970. Proudly Made in the USA. Veteran Owned and Family Run.