COMP Cams Valve Spring Shims

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.

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.

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

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.

What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

Picking a proper camshaft for your project can rapidly deteriorate into chaos. So many possibilities. Want a little advice? Click here!

There are two different methods to determine which spring length you need. Check out this speedy tip for help on choosing which one is best for your project.