4L60E 298mm LT Out Law 35-4,200 RPM NON-Lock Up GM Racing Torque Converter Part Number 49725
OUT LAW Racing Series Torque Converter - GM Chevy 4L60E (Part #: 49725)
Unleash the full potential of your powertrain with this high-performance, Super Lightweight Torque Converter. Specifically designed for LT type engines equipped with a 3 Step Input Shaft, this racing converter is engineered to handle extreme conditions, making it ideal for builds running nitrous, turbochargers, super chargers, and demanding transmission bursts. With a carefully chosen stall range and robust construction, this converter provides unmatched power delivery when you need it most.
Performance & Technical Specifications
- Application: GM Chevy 4L60E Transmission (3 Step Input Shaft)
- Series: Out Law Racing Series / Super Lightweight, Non-Lock Up Racing Converter
- Part Number: 49725
- Stall Range: 3,500 - 4,200 RPM
- Core Diameter: 9.6 inch
- Input Shaft Spline: 30 Spline
- Crank Pilot Diameter: 1.703 inch
- Bolt Circle Diameter: 10.75 inches
- Torque Converter Size: 298mm
Advanced Construction & Build Quality
This torque converter is built for endurance and high-stress performance, featuring precision machining and robust internal components:
- Precision CNC Machined Components with Anti-Balloon Plates
- Hardened Chrome Moly Hubs and Torrington Style Incased Bearings
- Modified Heavy Duty Stator for maximum power transfer
- Whole Back Cover Quenched and Hardened Construction
- Furnace Brazed Pump & Turbine fins for structural integrity
- Leak & Pressure Tested; Digitally Balanced for smooth operation
- Bolt Size: 3/8 X 16 TPI (Grade 8 Bolts Recommended)
Installation and Performance Considerations
Achieving peak performance requires careful attention to detail. Please follow these recommendations for optimal results:
- Use Type F transmission fluid for best operational performance.
- Always utilize an additional Transmission Cooler when operating this unit.
- Blue Loctite is recommended during assembly.
Important Build Notes
- Stall ranges are specific to the complete vehicle setup and may vary depending on your application. Please contact us with details for personalized advice.
Building high-performance and racing converters since 1970. Made in the USA.
| Actual Stall | Will vary depending on Engine/Weight/& Run Out of the Gear. |
| Anti-Ballooning Plates | YES |
| Balanced | Yes |
| Bell Housing | 298mm |
| 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 | Out Law |
| Spline | 30 |
| Stall Range | 3500-4,200 RPM |
| Torrington Bearings | Yes |
| Weled Fins | All Fins |
