Jeep Gen 3 LS Swap Parts

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

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

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!

Knowing popular engine dimensions and weights are critical to a successful engine swap in your project vehicle

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.

What is the best engine to swap? Discover the top engine swap options, including LS, Hemi, and Cummins, and find the best engine swap for your build.

Check out a gallery of our favorite Chevys and other GM cars and trucks from the 2022 SEMA show!