4L80E 4L85E LS Out Law 28-3,200 RPM Lock Up GM Racing Torque Converter Part Number 49703
GM Chevy LS Torque Converter - Out Law Racing Series (Part #: 49703)
Engineered for extreme performance and demanding applications, this Super Light Out Law Racing Series torque converter is the perfect upgrade for your LS engine build. Designed specifically for Choppy Cams and lightweight racing setups, it provides reliable performance when paired with nitrous, turbochargers, or trans-brakes.
This high-quality converter features a robust construction, including a whole back cover that is quenched and hardened, ensuring durability under the harshest conditions. It delivers optimal performance for racing applications that require precise control and matched pairing.
Key Specifications
- Series: Out Law Racing Series
- Application: GM Chevy LS Engines (2-Step Input Shaft)
- Part Number: 49703
- Stall Range: 2,800 - 3,200 RPM
- Core Diameter: 9.6 inch
- Bolt Circle: Factory 11.675 inch
- Input Shaft Spline: 35 Spline
- Fluid Pilot: 1.703 inch Crank Pilot
- Clutch Action: Extreme Duty Single Disk Lock Up (Anti-Balloon Plates)
- Construction Detail: Hardened Chrome Molly Impeller Hub, Torrington Style Incased Bearings
- Assembly: All Pump & Turbine Fins Welded or Furnace-Brazed
- Bolt Size: 10mm X 1.5 Pitch (Requires Class 10.9 or Stronger Bolts)
- Testing: Leak & Pressure Tested, Digitally Balanced
Application Notes
- Warning: For best performance, consult your vehicle's setup details. Most vehicles may require additional gearing, especially when fitted with taller tires.
Setup & Maintenance Recommendations
- For optimal results, use TYPE F transmission fluid.
- Always install an additional Transmission Cooler for extreme duty setups.
- Use Blue Loctite during assembly.
If you are serious about building high-performance or racing applications, trust a veteran and family-owned company that has been building premium converters since 1970. Contact us with any questions regarding our service or consult our team at 888-267-7464.
| Actual Stall | Will vary depending on Engine/Weight/& Run Out of the Gear. |
| Anti-Ballooning Plates | YES |
| Balanced | Yes |
| Bell Housing | ALL |
| Bolt Circle | 11.675 |
| Bolt Size | 3/8 X 16 TPI (GRADE 8 ONLY) |
| Crank Pilot | 1.703 |
| Diameter Core | 9.6 inch |
| Lock Up | YES |
| Series | Out Law |
| Spline | 35 |
| Stall Range | 2800-3,200 RPM |
| Torrington Bearings | Yes |
| Weled Fins | All Fins |
