Armando of Five Star Engines explains why valve grinding can be time-consuming and describes the precision involved in ...

A set of performance valves were too large for a 1968 Pontiac 350 engine, risking airflow problems that would hurt performance rather than help it. Rather than order custom parts, the machinists ...

Even though valves may appear to be simple parts, they must be precisely made to seal the combustion chamber when closed, and they deal with incredible heat without direct cooling. A rocker arm pushes ...

Valve repair machines are used for servicing valves. They repair numerous imperfections caused by corrosion or wear and tear. The devices perform tasks such as valve seat repair, machining, and ...