Proform Cadillac Muscle & Classic Car Engine Parts

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.

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

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

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?

Why was the Pontiac 350 phased out for the Chevy 350? Discover the key differences, performance, and advantages between these iconic GM small-block V8 engines.

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!

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

Considering boosting your LS engine? Find out what's best for your build, turbocharging or supercharging!

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.