C4 26 Spline Street Bandit Series 28-3,200 RPM Ford Torque Converter Part Number 25143

Ford C4 Street Bandit Series Torque Converter - Part No. 25143

Engineered for optimal performance in chopped cam and lightweight setups, this Super Lightweight Torque Converter delivers reliable power transfer and superior driving characteristics. Built with precision CNC machining and Torrington-style bearings, this unit provides the durable foundation needed to match your performance build. Experience shift quality and responsiveness matched only by a professional, high-performance assembly.

Product Specifications

• Series: Street Bandit Series
• Part Number: 25143 (Ford C4)
• Stall Range: 2,800 – 3,200 RPM
• Core Diameter: 9.6 inches
• Bolt Circle Diameter: 11 7/16 inches
• Turbine Hub Splines: 26 Tooth Precision
• Height (Built to): 5 7/8 inches

Key Technical Components

• Hardened Chrome Moley Impeller Hub
• Modified Extreme Duty Stator
• 1.375 inch Crank Pilot bore
• Torrington Style Incased Bearings for maximum reliability
• 3/8 X 16 TPI Bolt Size (Grade 8 Hardware Required)
• No Anti-Balloon Plates installed
• Fins are Tac Welded or Furnace-Brazed for superior heat dissipation
• Leak & Pressure Tested and Digitally Balanced on arrival

Installation and Maintenance Considerations

• Utilize Old School Type F Transmission Fluid for peak operational performance.
• Always supplement installation with a transmission cooler to manage heat load.
• Applying Blue Loctite is recommended for secure assembly.

Important Notes

• All advertised stall ranges are dependent on your specific vehicle configuration and testing conditions. Please contact us directly for consultation regarding your setup (888) 267-7464.
• We recommend upgrading to the "Street Bandit Series" if your drivetrain has been enhanced with matching upgrades (e.g., intake, heads, exhaust, or gearing).
• For builds incorporating high-power adders like Nitrous Oxide (NOS), Turbochargers, or Superchargers, the "Out Law Racing Series" is suggested for maximum durability.