Willys 4-63 AN Fitting O-Rings

This year, the Speedway Motors SEMA booth will host Ron Ernsberger's radical Willys built by the Tin Man's Garage. It's a Hemi-powered hot rod with some classic street rod elegance thrown in, and there's much more going on here than meets the eye...

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.

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!

There are a lot of piston ring material types to consider for your next engine build. Our buyer’s guide will help you choose the right ones.

Piston rings may not be the most exciting part of an engine build, but knowing how to clock piston rings and how to install rings on a piston is critical to your engine performing properly.

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.

Hose & Fitting

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

Check out this helpful piston ring style chart.