Since TCI opened in 1968, they have been providing performance transmission related parts to devoted drag racing enthusiasts. Over time, they have evolved to be one of that largest and most advanced manufacturers of high performance aftermarket drivetrain products. Every TCI automatic transmission and drivetrain component is designed, built, and tested by hardcore racers and street performance enthusiasts. TCI has never forgotten that performance is defined by results, both at the track and on the street. From Computer-Controlled Overdrive To Full-Manual Drag Race, TCI's got your Mustang or SVT Lightning covered! Shop Late Model Restoration to get your TCI performance products.