4L80E, Transmission Crossmembers

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

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

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!

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

A guide to choosing the right camshaft for your engine. See how to install a new LSR roller camshaft while upgrading valve springs and rocker trunnions.

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