Shaft-mounted rocker arms are usually reserved for the high-stress environment of an all-out racing engine-whether it's for drag racing or some other competitive motorsport. Most of us late-model ...

Excessive valvetrain chatter, oiling issues, and the occasional bent valve from over-revving the engine can all be attributed to improper valvetrain setup. Setting up the valvetrain on your mill doesn ...

When trying to decide between two camshafts for an engine that will spend a majority of its life operating at low-to-moderate rpm on the street, it's better to err on the side of caution. That means ...

Roller rockers are not glorious parts. They look trick, but they live a pretty dismal life, working feverishly, always trying to keep things stable. Glory's one thing, but are they worth the cost?