TH350 TH400 Dirt Track 20-2,200 RPM GM Racing Torque Converter Part Number 47111

DIRT TRACK RACING SERIES Torque Converter - GM Chevy TH350/TH400 PowerGlide (Part #47111)

Unleash maximum power and reliable shifts with our extreme-duty Torque Converter, engineered specifically for demanding dirt track racing applications. Built for superior performance in high-stress environments, this lightweight converter maintains structural integrity while delivering flawless power transfer from the pump to the turbine.

This precision-machined unit is designed to fit high-performance setups including the TH400 (with appropriate Flex-Plate) and PowerGlide with a Turbo Shaft, offering superior reliability when durability matters most.

Key Performance Specifications

• Transmission Series: TH350 / TH400 PowerGlide
• Part Number: 47111
• Stall Range: 2,000 - 2,200 RPM
• Core Diameter: 10 inches
• Turbine Hub Splines: 30 Spline
• Crank Pilot Diameter: 1.703 inches
• Bolt Circle: 11.50 inches
• Torque Converter Material: Precision CNC Machined Stator & Impeller Hub
• Impeller Hub Material: Hardened Chrome Moley
• Bearings: Torrington Style Incased Bearings
• Bolt Specification: 3/8 X 16 TPI (Grade 8 recommended)
• Design Detail: Modified Extreme Duty Stator, NO Anti-Balloon Plates, Welded/Furnace-Brazed Fins

Application & Maintenance Guidance

• Achieve optimal performance by using Type F transmission fluid.
• Ensure maximum efficiency and thermal stability by incorporating a quality transmission cooler into your setup.
• Use Blue Loctite on critical threads to maintain system integrity under extreme heat and vibration.

Important Installation Notes

• Advertised stall ranges are based on specific vehicle setups and will vary greatly depending on your application.
• For personalized advice or to discuss No Prep Racing converter options, please contact us directly.

Manufactured in the USA, this torque converter is built by a veteran-owned and family-run company with decades of experience building high-performance racing components since 1970. We stand behind our products and quality control processes.