Royal Purple Drag Racing Engine Parts

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!

Gear up for your first drag race with this beginner’s guide to NHRA rules and required safety equipment.

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.

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

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 '21 season marks the 70th year of NHRA drag racing. Here's look at a few great drag cars from that 70 year history from the Museum of American Speed.

This drag and drive '49 Mercury is not at all what you'd expect from a chopped Merc. It's part custom, part hot rod, and built to do it all.

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

Race car ballast can have a significant impact on your car's performance and handling. Here are some notes and tips to help you to correctly place ballast in your car.

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.