Modern Overdrive Transmissions for Muscle Cars & Customs

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American PowerTrain - GM

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Shop by Make - GM - Transmission Kits
The ProFitâ„¢ Systems are the easiest and most economical way to put a high strength, modern overdrive Tremec TKO 5-speed transmission or T56 6-speed transmission in your car. Our Custom Engineered...More Details »
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Shop by Make - GM - Electric Power Steering
Modern Power Steering at the flick of a switch. Watch the video to learn more about our Electric Powersteering kits! More Details »
Shop by Make - GM - Flywheels
American Powertrain offers the highest quality steel or aluminum high performance flywheels. Check out the video to learn more! More Details »
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