American Powertrain

Your one stop source for Tremec 5-Speed and
6-Speed systems and components for your
muscle, race, rod or pony car.

We feature the Tremec t5 and TKO in our 5-Speed Systems and the Tremec t56 in our 6-Speed Systems. We also offer race prep and rebuild services on TKO, t5, t45, 3650 and t56, with horsepower ratings up to 1000hp depending on model. These transmissions can be purchased as bare units or as comprehensive ProFit™ Kits with every component you need to convert from manual or automatic to a modern overdrive gearbox.

American Powertrain is proud to offer the best prices on QuickTime Scattershields and flexplates, bell housings, ProGrip clutches and flywheels, linkage and pedals for GM Ford and Mopar applications. You should also check out our patent pending Hot Rod Hydraulic Systems for 4-speed, 5-speed and 6-speed applications.

American Powertrain, a division of The Driven Man, backs every part with an industry leading 12-Month Warranty from the date of installation with a two year installation grace period. Our exclusive free 24/7 Technical Support line means you will always talk to an experienced enthusiast, day or night, weekends or holidays.

We have a transmission system for your Camaro, Chevelle, Corvette, Nova, Tri-5 (55, 56, 57 Chevy), Firebird, GTO, Lemans, 442, Cutlass, GS, Skylark, Mustang, Cougar, Falcon, Comet, Galaxy, A-body Barracuda, Demon, Dart, Valiant, Duster, Scamp, B-body Roadrunner, GTX, Charger, Satellite, Savoy, Belvedere, Coronet, Super Bee, E-body Cuda and Challenger, along with any Big3 powered truck or street rod you can build.