Standard Motor PCV Valves

Standard Motor Products replacement PCV valves are emissions-control devices that route unburned crankcase blowby gases back into the intake manifold where they can be re-burned. By totally eliminating crankcase emissions, the constant recirculation of air through the crankcase helps to remove moisture, which would otherwise cause sludge to form. Standard Motor Products replacement PCV valves will extend the life of the oil and the engine.