American Powertrain https://americanpowertrain.com/ +1 (931) 646 4836 350 Transport. Dr, Cookeville, Tennessee 38506, USA American Powertrain https://americanpowertrain.com/ +1 (931) 646 4836 350 Transport. Dr, Cookeville, Tennessee 38506, USA ABOUT AMERICAN POWERTRAIN™ American Powertrain exists to help muscle car owners equip their cars with modern drivetrain technology, offering overdrive transmission systems, hydraulic clutch kits, and a wide range of drivetrain-related parts from diff to block. Since American Powertrain opened for business, we have quickly become the world’s largest TREMEC dealer. Our installation parts and systems are proudly made in America for unmatched quality. Our staff of highly experienced enthusiasts has years of experience helping car owners and builders make the right drivetrain choices. Contact Us Facebook page YouTube Instagram Contact Us Facebook page YouTube Instagram Latest News American Powertrain™ Adds GearStar™ Automatic Transmissions for Ford, Chevy, and Mopar How To Rebuild Your American Powertrain Hydramax Hydraulic Throwout Bearing.