TCI Street Fighter TH400 Transmission (TCI211000)TH400 STREET FIGHTER TRANS Suit Chev Engines with 4" Shaft Part Number: TCI211000 The TCI StreetFighter Transmission for Chevy engine applications is tough enough to withstand the rigors of the toughest street machines up to 725 horsepower with a non supercharged system using pump gasoline. Equipped with a TCI manual automatic valve body, most units allow you to manually shift the vehicle into each gear change or, by placing it in the drive position,