GM L20 T5 Parts

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

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Learn how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. We'll also walk you through choosing the correct parts in order to make this installation a breeze!

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

Comparing GM’s LS V8 engine to the high-tech LT V8 engine. Which is better for your performance needs and budget?

Small block Chevy V8 or the modern LS V8? Which one comes out on top as the best engine to swap into your ride?

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.