There are a hundred things to remember to do correctly when you are building or re-building an engine for your ride. Of all those things, the correct valvetrain setup is important, and part of that is ...

Clearance is all in the details. Our friends at Lunati spell it out. There’s more to valve springs than meets the eye at surface level. For a simple coil of wire, valve springs do an incredible job of ...

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 ...