Transmission & Adapter – GM SBC BBC to Tremec TR4050 Chevy SB BB V8 to Tremec TR4050 5 Speed 4×4 Manual Transmission: Designed to work with External Slave Works with OEM year specific Chevy Flywheel and 10 spline clutch kit Made in the USA HD 5 speed Tremec transmission Capacity of a truck... MSRP: Was: Now: $4,450.00 Add to Cart