Modern Overdrive Transmissions for Muscle Cars & Customs

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American PowerTrain

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 ProFitâ„¢ Kits with every component you need to convert from manual or automatic Read More ».

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American Powertrain TV