The Corteco Valve Cover Gasket Kit - 135627 is a comprehensive set of products designed for use in a car's engine. This kit includes a valve cover gasket, which is a seal that prevents oil from leaking out of the valve cover. It also contains a valve cover grommet, which is a small rubber piece that helps secure the valve cover in place. Additionally, the kit includes a set of valve cover bolts, which are used to hold the valve cover in place. Lastly, the kit includes a valve cover gasket sealant, which is a specialized adhesive used to ensure a tight seal between the valve cover gasket and the engine. Together, these products help to maintain the integrity of the engine and prevent oil leaks.