The FTI Performance 9.5-inch spragless mud racing torque converter for Ford C4 transmissions uses an 11 7/16" bolt circle, 26-spline output and a 3200 rpm stall. Geared for mud-race use, it raises stall to improve launches in low-traction conditions while fitting C4 bolt patterns. A direct-fit C4 race converter for drivers seeking a moderate high-stall option.
FTI 9.5in Ford C4 Spragless Mud Racing Converter - 11 7/16 BC - 26 Spline - 3200 Stall