TH350 TH400 PowerGlide Mid Plate Pilot Out Law 42-5,000 RPM GM Racing Torque Converter Part Number 47725
High Performance 30 Spline Racing Torque Converter - GM Chevy TH350/TH400 Fitment
Designed for serious performance applications, this Out Law Racing Series torque converter is engineered to provide aggressive shift points and unwavering reliability under extreme conditions. Perfect for Choppy Cams, lightweight vehicles, and high-output powertrain setups utilizing Nitrous Oxide or Super Charging. Achieve perfect power transfer with this precision-machined, super lightweight billet assembly.
Product Specifications & Compatibility
- Part Number: 47725
- Transmission Type/Series: GM Chevy TH350 / TH400 PowerGlide (Fits TH400 with proper Flex-Plate)
- Application Fitment: PowerGlide with Turbo shaft (30 Spline Only)
- Stall Range: 4,200 - 5,000 RPM
- Core Diameter: 9.6 inches
- Bolt Circle Diameter: 10.75 inches
- Pilot Diameter: 1/4 inch Extended Crank Pilot
Precision-Machined Construction Details
Every component of this converter is built to withstand the demands of competitive racing, utilizing high-grade materials and stringent quality control checks.
- 30 Spline Turbine Hub
- Precision CNC Machined Modified Extreme Duty Stator
- Hardened Chrome Moley Impeller Hub
- Torrington Style Incased Bearings for durability
- Anti-Balloon Plates installed for enhanced protection
- Whole Back Cover Quenched and Hardened
- Pump & Turbine Fins are securely Welded or Furnace-Brazed
- Digitally Balanced and Leak & Pressure Tested before shipment
Installation and Performance Notes
To maximize the life and performance of your unit, please keep the following usage guidelines in mind:
- Use Type F transmission fluid for optimal operation.
- Always utilize a Transmission Cooler when operating this high-performance unit.
- Apply Blue Loctite for proper assembly security.
Important Considerations
- All advertised stall ranges are based on specific vehicle setups and will vary greatly depending on your application.
- This converter will NOT interchange with the TH350C.
Building High Performance & Racing Converters Since 1970! Veteran Owned and Family Run. For complex fitment questions or "No Prep" racing advice, contact us today at (888) 267-7464.
| Actual Stall | Stall Range Will vary or change depending on Engine/Weight/& Run Out of the Gear. |
| Anti-Ballooning Plates | YES |
| Balanced | Yes |
| Bell Housing | ALL |
| Bolt Circle | 10.75 |
| Bolt Size | 3/8 X 16 TPI (GRADE 8 ONLY) (Locking NUT & BOLT ) |
| Crank Pilot | 1.703 |
| Diameter Core | 9.6 inch |
| Lock Up | No |
| Series | 1/4' MID PLATE |
| Spline | 30 |
| Stall Range | 4200-5,000 RPM |
| Torrington Bearings | Yes |
| Weled Fins | All Fins |
