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 ...

Porting has always been perceived by enthusiasts as some black art that is known only to a select few who have spent years in dark alcoves grinding cylinder heads until they have mastered their ...

1) What is head porting and polishing and how does it work?Porting involves shaping and/or polishing the intake port openings, the inside of the ports, the exhaust ports, the bowl area below the valve ...

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 ...