Drivetrain Manual Transmissions and Components

American Powertrain

ProFit TKX 5-Speed Manual Transmission Kit

$4,199.00

SKU: APO-COGM-A1FX

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In Stock
Ships by Jul 30
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30 Days Return
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Description

The American Powertrain ProFit TKX is a 5-speed manual transmission kit designed for 1964-1967 GM A-body vehicles like the GTO. It features a 600 ft-lb constant load rated capacity and includes a TREMEC TKX transmission with a 2.87 1.89 1.28 1.00 and 0.64 overdrive gear ratio.

Fitment

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Specifications

BrandAmerican Powertrain
Part NumberAPO-COGM-A1FX
CategoryDrivetrain

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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