If you were to fill a room with the top engine builders in the world, you’d be surprised to hear the various opinions on what part of the engine needs the most focus. Is compression the Holy Grail? Or ...

Comp Cams and Summit now have the universe of Chevy LS Gen III/IV V-8s covered, from 4.8-liter to 7.0-liter, with these FSL cams. For many decades, hot-rodders didn’t have much of a choice when it ...

This is not a modification for the faint of heart. Once you start taking a Four-Valve, four-cam modular small-block apart, you'll think that the parts will never go back together. Unless you want to ...

The latest GM LS-style engines come stock with free-flowing, rectangular-port heads—they just need a great cam to wake them up. Enter Comp Cams' new LSR series. Available for both late-model one-bolt ...