The FTI 9.5-inch Economy Lock-Up Street Racer torque converter for early 700R4/4L60 applications features a 3800 hard-hit stall and is rated to 450HP per the market notes. Offered as a cost-conscious upgrade, the lock-up converter is intended to provide stronger torque handling and improved launch behavior for compatible transmissions in higher-output street builds.
FTI 9.5in 700R4/4L60(Early) Economy Lock-Up Street Racer Series - 30 Spline - 3800 Hard Hit Stall