Racing Compression Fittings

Learn about the functionality of key parts in a hot rod air conditioning system for install or diagnosing issues. We cover the condenser, compressor and more.

The 454 big block Chevy is still a popular build option for when there is no replacement for displacement!

AN fittings are a simple and effective way to plumb fluid systems in your car. This AN fittings install guide answers some of the more common questions pertaining to AN fittings and AN line.

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

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!

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

Unleash power, save money with Speedway Motors. Turbo setups for your 4.8, 5.3, or 6.0 LS engine offer unmatched dollar-to-horsepower value. Get it right the first time with us!

Hose & Fitting

Considering boosting your LS engine? Find out what's best for your build, turbocharging or supercharging!

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.