The Elring Valve Cover Gasket Kit - 135833 is a comprehensive set of products designed for use in a car's engine. It includes a valve cover gasket, which is a seal that sits between the valve cover and the engine to prevent oil from leaking out. The kit also includes grommets, which are small rubber pieces that fit into the valve cover and provide a secure seal for the gasket. In addition, the kit contains washers, which are used to secure the valve cover in place. These products work together to ensure that the valve cover is properly sealed and prevents any oil leakage from occurring. This kit is essential for maintaining the proper functioning of a car's engine and ensuring that it runs smoothly and efficiently.