TCI Auto products are designed, built and tested by hardcore racers and enthusiasts. TCI transmission products are specifically engineered to crank out race-winning power mile after grueling mile, run after punishing run. JEGS carries many TCI Street Transmissions & Competition Transmissions, TCI Torque Converters for the street or strip, TCI Valve Bodies, Transmission Shields and TCI Shifters in stock, ready to ship at the absolute lowest price. TCI Auto delivers the most power for your needs. TCI's Transmissions and TCI Torque Converters can turn muscle into tire shredding power.