Earls Drag Racing Pipe Fitting Plugs

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 preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!

Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

Learn about some of the differences between factory plug wires and the improvements you'll receive with a quality set of aftermarket performance wires in our spark plug wire buyer's guide

Our guide will help you find the best drag tire for your application and needs

Learn how to install spark plug wire terminal ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire crimping tool.

Learn how to properly measure tie rods and drag links with step-by-step directions and a diagram for reference.

Some basic info on the various exhaust options carried by Speedway Motors.

Need better tire traction on the track? Read our guide on increasing traction with grooving, siping, and needling to ensure your racing tires have great grip.

Pat talks about our red solid core spark plug wire and rajah ends.