The FTI Performance 9.5-inch spragless mud racing torque converter for Ford C4 transmissions includes a 10.5" bolt circle, 26-spline output and a 3800 rpm hard-hit stall. Designed for mud-race conditions, it increases stall speed to help launch in soft or uneven surfaces. Offered as a direct-fit C4 race converter for drivers who need an aggressive stall setting.
FTI 9.5in Ford C4 Spragless Mud Racing Converter - 10.5in BC - 26 Spline - 3800 Hard Hit Stall