These TCI Front Pump Drives allow you to run without a torque converter and reduces rotating mass by 15-30 lbs, therefore improving off-the-corner acceleration and engine braking which lowers transmission temperatures. Requires a specially-designed valve body, is adjustable for non-motor plates and 1/8" & 1/4" motor plates. Perfect for circle track applications with automatic transmissions. Provides trouble-free, direct transfer of engine power/torque to transmission.