AC AN Fitting O-Rings

Learn about the installation process for a Vintage Air SureFit Air Condtioning Kit. Alanna C. walks you through as she installs the A/C kit in her 65 Mustang.

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.

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.

Not sure how to get your classic ready for winter hibernation? Click here!

Learn the proper steps in upgrading your air cleaner assembly to ensure clean air, allowing your engine to more easily make the power that it should.

Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold.

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.

Everyone loves boost and nitrous. But proper piston rings and end gaps are necessary to keep your engine alive. Lake Speed Jr. from Total Seal joins us to talk about the right rings for engines with nitrous and boost.

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.