The Hengst Crankcase Breather Valve is a high-quality, reliable option for controlling crankcase pressure. It's designed to be used in a wide range of vehicles, including Volkswagen, Audi, and Porsche. This valve is constructed from durable materials and is designed to fit perfectly. It features a high-flow rate and is easy to install. The valve helps to reduce oil consumption and prevent engine damage caused by excessive crankcase pressure. It's a great choice for anyone looking for a reliable and long-lasting breather valve.