The TCI StreetFighter torque converter is built for street and strip machines with performance cams, aftermarket carburetors, and higher compression. It fits 26 spline Ford C4 transmissions with an in-case dipstick, uses a 10.5 inch bolt circle, and raises launch RPM to match added power. Stall is approximately 3000 to 3400 RPM behind small blocks and 3400 to 3600 RPM behind big blocks.
- Fits 26 spline Ford C4 transmissions with an in-case dipstick
- 10.5 in bolt circle
- Stall speed: 3000 to 3400 RPM (small block), 3400 to 3600 RPM (big block)
- Part number: 451500
FAQ
What C4 transmission does the 451500 converter fit?
26 spline Ford C4 transmissions with an in-case dipstick.
What is the bolt circle?
10.5 inches.
What stall speed does it provide?
About 3000 to 3400 RPM behind small blocks and 3400 to 3600 RPM behind big blocks.

