Without question, cylinder-head porting is a science. The act of removing metal from the intake and exhaust ports to increase airflow has been used for decades, and in most cases, a skilled head ...

In the market for a huge power increase? Then you're probably looking at getting a set of ported aluminum heads on your GM car or truck. Here's a sampling of what's available from the aftermarket ...

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 ...