Those wound-up pieces of high-tensile steel under your rocker arms work so hard closing your valves over millions of cycles that they could probably use a replacement right about now. We're talking ...

Performing a quick check of your valvespring pressures is a simple and easy procedure. The good news is-if you aren't doing it already-checking your spring pressures weekly (or at least after every ...

The valvespring is the curse of the overhead-valve, pushrod V-8. Racers and savvy enthusiasts have long been conscious of the effects of valvesprings going away. Take a cruise through the pits of any ...

We're always on the lookout for new stuff, so when information on Comp Cams dual conical valve springs came across our desk, we were eager to take a look. Comp introduced these dual conical springs in ...