The FTI 9.5in Billet Mud Racer torque converter for TH350/TH400 GM applications offers a spragless design tuned to a 3800 hard-hit stall for demanding mud racing. Targeted at 400–1,200 hp weekend runners, it pairs race-capable stall with robust hardware: forged billet steel front cover, billet spragless center, hardened flanged impellor hub and a steel anti-ballooning plate to resist deformation.
FTI 9.5in GM Spragless Mud Racing Converters Aluminum Stator - 3800 Hard Hit Stall