This product is a genuine Porsche engine timing chain tensioner gasket with the part number 96410517703. It is designed to fit specific Porsche models and is used to seal the timing chain tensioner to the engine block. This gasket is an important component in maintaining proper engine performance and should be replaced if it becomes worn or damaged. It is made from high-quality materials to ensure a secure and leak-free seal. This gasket is an essential part of the engine's timing system and is an authentic Porsche product.