The Chevrolet Performance Transmission Adapter Kits are specially designed to allow the enthusiast to take advantage of the latest in transmission technology in one easy step.
Late model transmission technology includes greater horsepower and torque capability as well as improved efficiency through both design and manufacturing improvements. There are no additional specialized or custom items required, and these kits are completely bolt in with no modifications necessary. They also allow for a lower cost 300mm production style torque converter, or aftermarket equivalent, to be utilized.

Note: You will require an older style flexplate if installed on a two piece style rear main seal small block engine or using the 4L70E trans on a big block engine.