TH350C Out Law 28-3,200 RPM Lock Up GM Racing Torque Converter Part Number 47643

GM Chevy TH350C 298mm Lock Up Torque Converter – Out Law Racing Series

Elevate your powertrain with this high-performance, Extreme Duty Torque Converter designed specifically for the 3-step input shaft application. Part Number 47643 provides a perfect match for LT type engines running modern applications, demanding reliability when mated with matched hardware. Engineered for Choppy Cams and lightweight vehicles, this converter ensures superior power transfer and unmatched durability.

While our stall ranges are advertised based on specific application setups, this converter is built to handle high-performance scenarios, including those utilizing Nitrous Oxide, Turbochargers, or Superchargers. Experience unmatched performance backed by our commitment to quality and engineering excellence.

Product Specifications

• Transmission Compatibility: GM Chevy TH350C (Requires 3-Step Input Shaft)
• Series: Out Law Racing Series (Extreme Duty)
• Part Number: 47643
• Stall Range: 2,800 - 3,200 RPM
• Core Diameter: 9.6 inch
• Bolt Circle Diameter: 10.75 inches
• Input Shaft Spline Count: 30 Splines
• Crank Pilot Diameter: 1.703 inch (Precision CNC Machined)
• Bolt Size: 3/8 X 16 TPI (Grade 8 Hardware Required)

Key Performance Features

• Super Lightweight Converter construction for optimal response.
• Modified Extreme Duty Stator paired with Extreme Duty Lock Up mechanism.
• Torrington Style Incased Bearings ensure smooth, durable operation.
• Whole Back Cover Quenched and Hardened for maximum longevity.
• Pump and Turbine Fins are professionally Welded or Furnace-Brazed for structural integrity.
• Anti-Balloon Plates are Precision CNC Machined.
• All components undergo rigorous Quality Inspections, Leak Testing, and Pressure Testing, followed by Digital Balancing.
• Designed with advanced internals; the need for an end-of-input shaft O-Ring has been eliminated.
• Pump and Turbine units are sealed on the back side, ensuring proper operation upon installation.

Installation and Maintenance Guidance

• For best operational results, utilize an Old School Type F Transmission Fluid.
• Always incorporate a transmission cooler system for sustained high-performance runs.
• Use Blue Loctite on appropriate fasteners to ensure vibration-proof security.

Important Fitment Note: This converter is specifically designed for the 3-step input shaft and will NOT interchange with standard TH350 or TH400 applications. Please confirm compatibility before purchase.

If you require precise matching to your vehicle setup or have any questions regarding stall ranges, please contact our experts at 888-267-7464. Building High Performance & Racing Converters Since 1970. MADE IN THE USA.