Accel International 1200D Engine Parts

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

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.

Engine Cylinder Numbers

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.

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...

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.