AC 4L80E Transmission Parts

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

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

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!

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.

Speedway Motors Custom Length Driveshaft Kits make it easy to have a custom made driveshaft that's perfect for your application delivered right to your door!

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

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