The key to horsepower heaven is in the shape of the cylinder head. Inside these castings, ports direct airflow to and from each cylinder. Since horsepower enthusiasts often attempt to improve their ...

Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...

This month's selection for Tool Crib is not exactly a new item, but rather a reintroduction of a particularly fine product that disappeared from the market. We're talking about do-it-yourself cylinder ...

Frankly, that was our response to the announcement that Cylinder Heads America was coming out with a do-it-yourself porting kit. For years, porting shops have kept close guard on the ways that they ...

While looking around on modified.com recently, I noticed a post on the site's forum asking what cylinder head porting and polishing is. The person who posted it apologized for asking what he felt was ...