The Gen III and Gen IV LS engine families have a lot of advantages in the valvetrain department over their small-block Chevy predecessors. But there's always room for improvement - come along as we ask the experts t

Melling has expanded its GM camshaft selection with a new line of Gen V cams.

These new LT camshafts offer a variety of specs to suit your engine.

Titanium valves aren't the exotic custom parts they once were, as evidenced by Erson's latest off-the-shelf offerings.

It's never been easier to get an incredibly lightweight, robust valvetrain.

Billet LS rocker arms from Howards Cams increase the efficiency of the valvetrain.

By reducing weight and friction and increasing stiffness, these rocker arms get the most from your camshaft.

If you have a raised-cam block, you need a timing set specifically designed for that.

Engine Pro's new billet timing set has you covered for any power level.

Billy Godbold has been a huge part of camshaft and valvetrain development for decades.

He has written the book on them, literally.

You can gain a lot of performance with valvetrain upgrades.

Melling now offers LS valve springs, valves, cams, timing sets, and more.