Proform Buick GS Muscle & Classic Car Parts

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

These days, muscle cars aren't just for straight line blasts down the dragstrip. Here's a primer on some of the trick hardware that's available to make your muscle car into a corner carving Pro Touring car that can do it all.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

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

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

Need a little help Identifying GM Body Styles 1964-1972? Click Here!