The Pierburg Porsche Vacuum Power Change-Over Valve - 722280020 is a high-quality valve designed specifically for Porsche vehicles. This valve is responsible for controlling the vacuum pressure in the engine, which is crucial for optimal performance and fuel efficiency. It is made from durable materials and is designed to withstand high temperatures and pressure. This valve is a direct replacement for the original part and is designed to fit perfectly in Porsche models. It is a reliable and essential component for maintaining the proper functioning of the engine and ensuring a smooth driving experience.