Drag Racing AN Fitting O-Rings

Discover the best wheels for drag racing; the lightest options, beadlocks, and SFI certified wheels and learn how beadlock wheels work

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

Learn what throttle and kickdown cables do, how to install them, and tips for troubleshooting issues like broken or stuck cables.

Drag racing shocks can make a big difference in your drag car's performance. Here's a guide to what's available and some options to hook up your car at the dragstrip.

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

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.

Dick from Koul Tools shares a tip on how to properly seat the AN fittings using the Koul Tools device.

What fittings should you use with your brake or fuel system? What does AN and NPT stand for? All of these questions plus more will be answered in Speedway Motors' latest article about fasteners!

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!

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