COMP Cams GMC K25 Engine Parts

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.

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.

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