Gen 3 LS Control Modules

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

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

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!

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

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

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

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 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.