COMP Cams GMC Muscle & Classic Car Parts

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.

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

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

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

Learn how to install our new Muscle Car Shifters from Lokar.

Easy to follow instructions to install a G-Comp rear suspension kit.

A guide to choosing the right camshaft for your engine. See how to install a new LSR roller camshaft while upgrading valve springs and rocker trunnions.

Picking the right camshaft can be a challenge. Use our camshaft selection guide to learn how to select the right cam for your street rod's best performance.

Here's a handy guide to familiarize you with our G-Comp line of performance suspension systems.