If Obi-Wan Kenobi was a cylinder head designer, he'd have a Haas five-axis CNC machine in his basement. Although his Jedi starfighter clearly makes use of a propulsion system much more advanced than a ...

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 ...

Peer under the hood of the fast cars at the strip or the local burger joint and you'll see the AFR logo etched into more than a few cylinder heads. Racers demand proven performance, so it's no ...