AN Fitting Reducers

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.

Does painting your radiator black affect cooling ability or is it an old wives’ tale? If painted properly your cooling system will be fine.

Which size of headers should I use? Short or long tube headers? Etc. Learn how to answer these exhaust questions and choose the right header with our expert guide.

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.

Incorporating a Model A rear cross member and a high arc stock spring into a roadster build.

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 is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

Power brake boosters offer lower pedal effort and better braking characteristics, but which one is right for your hot rod, muscle car, or truck? We take the guesswork out of that question with our latest buyer's guide.

Learn about how aftermarket transmission coolers can help keep your transmission cool and the different options available for cooling with our expert guide.