The COMP Cams Valve Stem Oil Seals are precise aftermarket components designed to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. It includes O-ring seals that utilize the standard retainer and oil splash shield. Umbrella seals are normally utilized when a larger-than-stock diameter spring is used while positive stop PTFE seals are incorporated if a double spring is used. The COMP Cams Valve Stem Oil Seals also have a smaller diameter Viton seal available for triple spring applications. An advantage of the Valve Stem Oil Seals is that the O-rings and umbrella seals require no machining. COMP Cams offers a complete line of valve stem seals, from the stock GM O-ring to the positive stop PTFE seal. COMP Cams, an industry leader in producing premium engine performance parts such as camshafts and valve trains, employed its proprietary technology in developing these valve stem oil seals. Made from premium quality materials, the COMP Cams Valve Stem Oil Seals have undergone the company's renowned comprehensive design and testing process to certify a reliable and high end quality.

Competitions Cams, Inc., commonly known as COMP Cams, is a world-leading aftermarket automotive parts manufacturer. COMP Cams was founded in 1976 and then incorporated in 1977. COMP Cams' headquarters is established in Memphis Tennessee and they also have five manufacturing locations spread across the United States. COMP Cams began building a name for itself by selling valve train products via satellite distribution stores. Over the years, COMP Cams has acquired several companies that manufacture transmissions, electronic fuel injection, and nitrous oxide. As of today, COMP Cams comprises a total of 13 companies with hundreds of employees. The company is a major mover in the automobile industry, developing superior and state-of-the-art techniques and methodologies that have become a standard in various competitions such as NASCAR. The technological advancement and innovations enable COMP Cams to manufacture premium aftermarket performance parts that are compatible with leading high-performance vehicles. COMP Cams' products are also the go-to brand of hot-rod enthusiasts, engine builders, and professional racers.