Company Info

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 right here 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.

We Offer

QuickTime Scattershields
SFI rated for hundreds of manual and automatic applications at the best prices anywhere.

AP Aluminum Bellhousings
Made in the USA to very exacting standards for GM, Ford and Mopar.

Science Friction Clutches & Flywheels
Our own exclusive line of top shelf performance parts for all 4, 5 and 6-speeds.

HYDRAMAX Hydraulic Systems
For 4-speed, 5-speed and 6-speed applications; the best selling hydraulic conversions in the industry.

X-Factor Crossmembers
High strength aluminum cross members for almost any manual or automatic transmission.

Complete Engines
From our wide range of trusted engine builders and crate programs.

Axle Assemblies
12-bolt and Ford 9” assemblies hand built in NASCAR country for your GM or Ford complete and ready to bolt in.

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Magnum 6spd Tremec Transmission & Clutch

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Magnum 6spd Tremec Transmission & Clutch

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Magnum 6spd Tremec Transmission & Clutch

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Tremec Magnum T-56 6spd Transmission
Hydramax Hydraulic Clutch System

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Adjustable crossmember for a 5 or 6spd Tremec Transmission
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Tremec 6spd Transmission Kit
"White Lightning" Shifter
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Transmission Accessories
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Magnum 6spd Tremec Transmission & Clutch

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Electric Power Steering/Conversion
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Transmission & Accessories for a '56 Corvette
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5 & 6spd transmission kits for '67-'72 C-10 Chevy Trucks
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Hydramax clutch kit, White lightning gearbox, 6spd Tremec magnum transmission, Quicktime steel bellhousing

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X-Factor crossmember, Hydramax hydraulic clutch complete kit, Pedal assembly, Tremec TKO 5 Transmission

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Magnum 6spd Tremec Transmission & Clutch

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Magnum 6spd Tremec Transmission

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Pro-fit C10 Stick Conversion Kit
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Pro-fit Transmission Kit for Ford ’67-79 Trucks
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Get In touch

2199 SUMMERFIELD RD COOKEVILLE, TN. 38506

931-646-4836

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