The TCI StreetFighter torque converter is built for street and strip machines with performance cams, aftermarket carburetors, and higher compression. It fits Ford C4 transmissions with an 11.4 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 Ford C4 automatic transmissions with an 11.4 in bolt circle
- Stall speed: 3000 to 3400 RPM (small block), 3400 to 3600 RPM (big block)
- For the anti-balloon plate version, see part 451901
- Part number: 451900
FAQ
What bolt circle does the 451900 converter use?
An 11.4 inch bolt circle.
What transmission does it fit?
Ford C4 automatic transmissions with an 11.4 inch bolt circle.
What stall speed does it provide?
About 3000 to 3400 RPM behind small blocks and 3400 to 3600 RPM behind big blocks.

