TH400 TH350 Mid Plate Pilot Out Law 42-5,000 RPM GM Racing Torque Converter Part Number 46725

GM Chevy TH400/TH350 PowerGlide Torque Converter - Part #46725

Elevate your build with our premium, precision-machined Torque Converter. Designed for extreme duty and high performance applications, this unit is engineered to handle the stresses of chopped cams, lightweight vehicles, and serious racing builds. Whether paired with a Turbo setup or requiring exceptional durability, this converter delivers matched reliability and unparalleled performance.

Key Features

• Series: OUT LAW RACING SERIES
• Transmission Fitment: TH400, TH350 PowerGlide (Fits TH350 with proper Flex-Plate; Fits PowerGlide With Turbo shaft)
• Part Number: 46725
• Stall Range: 4,200 - 5,000 RPM
• Core Diameter: 9.6 inches
• Spline Type: 30 Spline Turbine Hub

Technical Specifications

• Impeller Construction: Precision CNC Machined Hardened Chrome Moley Hub
• Pilot Seal: 1.703 inch Crank Pilot (1/4 Inch Mid Plate Pilot)
• Bolt Circle Diameter: 11.50 inches
• Bolt Size: 3/8 X 16 TPI (Grade 8 hardware required)
• Internal Components: Torrington Style Incased Bearings, Modified Extreme Duty Stator, Anti-Balloon Plates
• Build Quality: Whole Back Cover Quenched and Hardened; All Pump & Turbine Fins are Welded or Furnace-Brazed
• Testing: Leak & Pressure Tested, Digitally Balanced, Quality Inspections throughout every step

Installation and Performance Advice

• Use Type F transmission fluid for optimal operational results.
• Always pair this converter with an additional Transmission Cooler when racing.
• Apply Blue Loctite for secure assembly and installation.

Important Build Notes

• All advertised stall ranges are based on a specific vehicle's setup and will vary depending on your application. Please contact us for personalized consultation.
• We offer "No Prep Racing Converters" to match your specific build requirements.

Building High Performance & Racing Converters Since 1970! Veteran Owned and Family Run.