Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

From Street Stock to Winston Cup, the three most important areas for engine performance improvements are cylinder heads, valvetrains, and intake manifolds. In particular, cylinder heads affect most ...

Eaton will display Turbulator technology at ACT Expo 2026, focusing on engine cooling, durability, and performance.

The intricacies of airflow dynamics through a cylinder head are some of the most difficult concepts to grasp in all of hot rodding. That made it the perfect topic to discuss in the inaugural ...

Taking care of your vehicle is vital to ensure it stays in great condition. Your brakes could give you trouble someday, or your suspension could require tinkering, inevitably leading you to an auto ...

New cylinder head designs are not something you see everyday. Even when something new does come out, it's normally adapted from something else, be it a race head or a more exotic engine. The trickle ...