Check Out The NEW GMT800/NBS GM Truck 5&6 Speed Manual TransmissioConversions From American Powertrain!
Mar 17, 2026Chad Reynolds
That’s right folks, American Powertrain just dropped their New Body Style GMT800 stick shift swap kits! Available with a 5-speed Tremec TKX or a 6-speed Tremec Magnum, these kits make your...
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