The Elring Valve Cover Gasket Kit - 135843 is a comprehensive kit of products designed for use in a car's engine. It includes a valve cover gasket, which is a crucial component for sealing the valve cover and preventing oil leaks. The kit also includes a set of grommets, which are used to secure the valve cover to the engine. Additionally, the kit contains a set of spark plug tube seals, which are used to seal the spark plug tubes and prevent oil from leaking into the engine. These products are essential for maintaining the proper functioning of a car's engine and ensuring that it runs smoothly and efficiently.