K&N International Engine Parts

Jeff K. doesn't just limit his tendencies to the classics. His daily drivers get the special treatment as well. Take his 2015 Mazda6, for example. Among the changes Jeff made was to install a K&N Performance Air Intake kit.

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

Wild engines and creative swaps are all over at SEMA 2021. Here are a few of our favorites.

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

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!

Professional insight on some useful crate engine tools that will improve your engine building experience.

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

The Museum of American Speed houses vintage racing engines of all shapes and sizes. Here's a peek at some that feature vintage power adders. From turbos to superchargers, there has been plenty of interesting innovation over the years...

Engine Cylinder Numbers

Some of the most interesting stuff at SEMA is under the hood. Here are a few of our favorites.