4L60E 4L65E 4L70E 300mm Out Law 28-3,200 RPM LT Direct Fit Lock Up GM Racing Torque Converter Part Number 49613

Extreme Duty Racing Torque Converter - Direct Fit for GM Chevy 4L60E/4L65E/4L70E

Engineered for uncompromising power and extreme duty applications, this OUT LAW Direct Fit Racing Series Torque Converter is the definitive upgrade for high-performance GM and Chevy setups. Designed to handle demanding racing environments, this 300mm converter provides superior heat dissipation and unmatched durability for those serious about maximizing performance.

This unit provides a robust, lightweight solution for LT and earlier model engines requiring constant high-stress operation. When combined with the precision manufacturing processes, this converter ensures reliable power transfer and durability through aggressive driveshaft engagement.

Key Specifications & Fitment

• Transmission Compatibility: 4L60E, 4L65E, 4L70E
• Part Number Reference: Specific to listings matching 300mm / 49613 series
• Torque Converter Size: 300mm with 9.6 inch Core
• Series Rating: Out Law Direct Fit Racing Series - Extreme Duty
• Stall Range: 2,800 – 3,200 RPM
• Crank Pilot Diameter: 1.703 inches Precision CNC Machined
• Bolt Circle Diameter: Factory LS Bolt Circle (11.063 inches)
• Input Shaft: 30 Spline

Advanced Construction Features

• Super Lightweight Lock Up Converter for reduced drag and enhanced efficiency.
• Hardened Chrome Moly Hub construction providing unmatched strength.
• Torrington Style Incased Bearings designed for high-speed reliability.
• Modified Heavy Duty Stator and Anti-Balloon Plates, Precision CNC Machined for aggressive engagement.
• Whole Back Cover Quenched and Hardened, ensuring superior heat resistance.
• Precision CNC Machining throughout, including all fins which are Welded or Furnish Brazed.
• Digitally Balanced and rigorously Leak & Pressure Tested upon completion of manufacturing.

This converter is ideally suited for high-performance builds, making it an excellent pairing with Nitrous Oxide systems, Turbochargers, Super Chargers, and Trans-Breaks.

Installation & Application Notes

• Use Old School Type F Transmission Fluid for optimal performance and viscosity match.
• Always incorporate an additional transmission cooler to manage heat efficiently during sustained use.
• Apply Blue Loctite during assembly for secure fitting and operational integrity.

Please note that all advertised stall ranges are theoretical baselines; actual stalling performance may vary based entirely on your specific vehicle's setup and tuning. For in-depth advice or to discuss our "No Prep Racing Converters," please contact us directly.

Interested in building high performance or racing converters? We have been serving the industry since 1970. Contact us today for expert assistance regarding fitment or to inquire about custom builds.