We're giving this 1977 Chevy engine new valve covers with the GM-licensed Proform Black Crinkel Dress-Up Kit! Details inside 4Wheel & Off-Road Magazine.

The PCV valve not only improves vehicle emissions, but also engine efficiency, reliability, and power. By redirecting the blow-by gasses back into the intake to be burned, the engine can receive as ...

Gone are the days when most cars wore their hearts on their valve covers. Tidy simplicity has given way to plastic soul and the art of the cover-up. It's time to revolt: Kill this junk. Kill it now.

Art is in the eyes of the beholder, and for "Boss" Bob Wells, the art he collects is high-performance American V-8 valve covers. There was a time when a person could walk through the aisles of ...

Engine bay decoration is an under-appreciated art because, well, it sits in the dark under the hood most of the time. But painting your valve cover and other engine parts are a great way to add ...

In any case, though, a transparent oil pan and valve cover are almost as good as a transparent head in entertainment value. It’s cool to see all of the things you never think about going on ...

It’s well known that, years ago, some genius at AMC decided it would be a good idea to put plastic valve covers on Jeep 4.2L (258ci) engines. Unfortunately, it didn’t take long for them to ...

Using a mechanic’s stethoscope to locate the noise would pinpoint the source. Clicking or a sharp tapping from the valve cover on top of the engine would point to a valve train noise.

The inlet and exhaust valve timing of a piston engine plays a large role in engine performance. Many modern automotive engines have some sort of variable valve timing, but the valves are still mech… ...

The Tornado was the first American-designed-and-built mass-produced overhead-cam automobile engine, beating the Pontiac OHC-6 by four years (sorry, nitpickers, the Offenhauser was used in boats ...