Jeep XJ Gen 4 LS Alternators

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.

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 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.

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

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

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.

If you're considering upgrading your classic car's charging system with an generator to alternator conversion, here are some helpful tips.

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