Cadillac GM LS4 Engine Parts

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!

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.

Both 5.3 and 5.7 LS engines are commonly sourced for LS swaps. Here's a look at some differences and similarities as well as a discussion of what might be the best choice for your project.

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

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

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

In this episode of our C10 build series, we swap cams in a junkyard 5.3 and make surprisingly big power.

Derek kicks off his 55 Chevy rebuild with a fresh small block.