AC C4 Muscle & Classic Car Parts

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.

Speedway Motors employee Alanna C. walks through the how-to of installing the Vintage Air A/C in her 1965 Ford Mustang.

Prepare your classic muscle car for autocross competition by exploring the best options, beginner tips, and essential suspension upgrades.

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?

Speedway Motors employee Alanna C. talks about the process of tearing down her 1965 Ford Mustang to make room for the Vintage Air A/C kit.

If you had to pick only one-is it a hot rod or a muscle car?

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

What cars are just so great that they deserve to be carved into the side of a mountain?Here's a list of suggestions from the Speedway Motors staff...

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.