Jaguar IRS Truck Engine Parts

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.

The GM LS engine is the hot powerplant these days. But is there too much of a good thing?

Engine Cylinder Numbers

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.

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.