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TCI® StreetFighter® Transmissions are designed to withstand the rigors of street machines ranging anywhere from 400 to 775 horsepower with a non-supercharged system using pump gasoline, depending on application. 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, remain fully automatic. This gives you racetrack shifts and shaves time off your e.t.’s. TCI® 700R4, 2004R and AOD StreetFighter® Transmissions also feature a TCI® Constant Pressure Valve Body™ to ensure that clutches and bands are applied firmly to eliminate slippage.