The Reinz Porsche Engine Timing Chain Tensioner Gasket - 702900400 is a high-quality gasket designed specifically for Porsche engines. It is used to seal the timing chain tensioner, ensuring that the timing chain stays in place and operates smoothly. This gasket is made from durable materials and is designed to withstand high temperatures and pressures. It is a crucial component in maintaining the proper functioning of the engine and preventing any potential leaks or damage. This gasket is compatible with a wide range of Porsche models and is an essential part of any engine maintenance or repair.