The Corteco Valve Stem Seal Set - 19036772 is a set of seals designed to fit onto the valve stems of an engine. These seals help to prevent oil from leaking into the combustion chamber, ensuring proper engine function and preventing damage. The set includes multiple seals to fit different valve stem sizes and is made from high-quality materials for durability and reliability. This product is essential for maintaining the performance and longevity of an engine.