The PCV valve routes air and fuel from the crankcase back through the intake manifold to the cylinders rather than allowing them to escape into the atmosphere. If the valve doesn’t open and ...

Separating the crankcase from the intake manifold, which is a source of varying air pressure, the PCV valve maintains the optimal level of vacuum in the crankcase to extract the products of blow ...

C&L Performance made a surprise announcement--it was nearing completion of a high-flow Three-Valve intake manifold. The company is long known for its MAF sensors and high-quality cold-air intake ...

Clippard pinch valves are available with a convenient panel mount option for applications that require better access or ...

Holden Barina sedan's engine light comes on and the motor idles roughly. It seems to be an air leak in the intake manifold. This generation of Holden engines was prone to failure of the crankcase ...