GM LS4 Modern Muscle Swap Parts

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

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.

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

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

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.

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

Learn correct spark plug firing orders for SBC, LS, Mopar, AMC, and Ford V8s, and learn what the correct firing order means for performance.

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

Jason Ankerson's 1965 Chevy C10 began its life as his high school beater. Over a decade of transformations, his first-gen C10 has become a modern reliable cruiser.