The Reinz Valve Cover Gasket Kit - 138021 is a comprehensive kit designed for car owners to replace their valve cover gasket. This kit includes all the necessary components to effectively replace the gasket and ensure a proper seal. The contents of the kit include a valve cover gasket, valve cover bolts, spark plug tube seals, and any required seals or grommets. The gasket is responsible for sealing the valve cover to the engine and preventing oil leaks. The valve cover bolts secure the valve cover in place. The spark plug tube seals prevent oil from leaking into the spark plug tubes. The additional seals and grommets ensure a complete and secure installation. This kit is suitable for various types of cars and is an essential product for maintaining the performance and functionality of a vehicle's engine.