Titanium valves are a game-changer for high-RPM racing engines, offering massive weight savings that improve acceleration, stability, and component life. Compared to stainless steel, they allow more ...

Desmodromic valvetrains allow for higher revs without needing to worry about valve float. So why do automakers not often use ...

For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...