Chrysler 8-1/4 Inch Racing Engine Parts

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

Determining your engine's bore and stroke displacement, and more with our easy to use calculators

Estimate horsepower, trap speed, and ET with our drag performance calculator. Use it as a 1/4 mile time estimator or 1/8 mile ET to mph calculator.

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.

Gassers were those wild drag cars from the 60's that featured outrageously tall stances, big unruly powerplants, and huge slicks to propel them down the track. But just how did these insane creations come to be, and where did they go?

Wondering what a stroker motor is and how to build one? Speedway Motors has the answers with this stroker motor build guide.

Tim talks about early Hemi oil adapters.

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.

It's alive! Our 1968 C10 truck project is one step closer to our first drive. In this episode, our old truck finally comes to life with a cammed junkyard LS.

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.