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American Powertrain Complete Transmission Kits. American Powertrain offer the most comprehensive transmission kits on the market. Everything you need to install a TREMEC TKO 5-speed, MAGNUM 6-speed...More Details »
TREMEC TKO, MAGNUM and T5 transmissions. American Powertrain offers the most selection of TREMEC transmissions.
Whether you are installing a traditional 4-Speed or a modern 5 or 6-Speed, getting the clutch working is always a big step. Now you can skip the clunky old mechanical linkage and install a...More Details »
Speedo cables, wiring harnesses and more
American Powertrain offers several high quality and hard to find aluminum and steel bell housings for GM, FORD and MOPAR. dial indicating your bell housing is critical for transmission life and...More Details »
Half the weight of traditional cross member and 1000hp strong. X-Factor cross members are designed to fit most popular transmissions.
Built to order for your application
Modern Power Steering at the flick of a switch. Watch the video to learn more about our Electric Powersteering kits! More Details »
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American Powertrain offers the highest quality steel or aluminum high performance flywheels. Check out the video to learn more! More Details »
For years our customers asked us to put a line of rear ends together to complement their choice of transmission but we never could find exactly what we were looking for. Then we found out that one...More Details »
One stop shop for crate engines. We offer MOPAR, GM and FORD! We have more engines and custom set ups than we can list. Give us a call for the ultimate drivetrain combo..931-646-4836.