The Genuine Porsche Secondary Air Injection Control Valve Gasket - 99311325851 is a high-quality gasket designed specifically for use with Porsche vehicles. This gasket is responsible for sealing the secondary air injection control valve, which helps to reduce emissions and improve engine performance. It is made from durable materials and is an exact fit for the specific valve, ensuring a secure and reliable seal. This gasket is an essential component for maintaining the proper functioning of the secondary air injection system in Porsche vehicles.