Modern engine bays, especially on cars, are comparable to matured healthy crabs—they are full and compact. But you cannot see what's inside by merely looking at it. Just the same, when you peek under the hood, you are not going to see the entire system lying on that stretch but just covered valves and de-cluttered engine bay. Oil should be pumped under that cover to lubricate the valve train. To make sure it will not leak, you should have a valve cover gasket set. The gasket is sandwiched between the valve cover and the engine to effectively seal the joints between the mating parts. This valve cover gasket set, which is also known in the West as rocker cover gasket set, is shaped like an egg carton. It comes in different colors and materials like rubber, cork, or metal. These all depends on the original specifications of the vehicle and the materials the engine is made of. The said gasket completely locks the perimeter of the valve or rocker cover to ensure that the pumped oil from under the engine will not seep out. Conversely, it also prevents unwanted particulates from getting inside the valvetrain.The valve cover gasket is supposed to be replaced every after its recommended service life. Still, it is bound to get blown before its suggested replacement time. You can find performance aftermarket parts right here. Car Stuff has a reliable valve cover gasket set where you can get gaskets made exactly for your ride's valve cover.