International AMC Inline 6 Engine Parts

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!

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.

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

There's a new spec engine option for the 2025 IMCA Modified season. Here's what you need to know.

Engine Cylinder Numbers

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

Speedway Motors announced today the introduction of a new IMCA Modified Spec Racing Engine as they kick off the 2025 race season along with discounts Jan. 27-Feb. 2 to help their customers get ready for race season.

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.