Truck Transmission Parts

Old trucks are just meant to have manual transmissions. They're made even better with a modern overdrive like a Tremec TKX. Watch our C10 manual transmission conversion on an LS-swapped '68 to see just how easy it is to row your own gears,

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

Learn about how aftermarket transmission coolers can help keep your transmission cool and the different options available for cooling with our expert guide.

Leave all the head scratching to us, as we have your manual transmission bellhousing solution for your LS swap all figured out already

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

Looking to update that '67-'72 C10 truck with an LS swap? These motors mounts and transmission crossmember kit will make that modern powerplant and transmission fit like they came that way from the factory!

A real-world guide to 4L60 transmission specs, strength, and swap tips.

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!