A cylinder head cover is a metal casting which fits over the cylinders. Cylinder head covers must be high quality as they have to perform in a severe high temperature and oil contact environment. Purchasing cylinder head covers time and time again can take a toll on your bank account, and waste a lot of your time. The cylinder head cover is the valve cover. To reach the cylinder head, you have to remove it and get to the cylinder head bolts. Then you can remove the cylinder head which contains the valves. It is also known as the rocker box in some parts of the world. Very rarely, you may find a cylinder head cover made of a fiber glass reinforced material, however, most people and mechanics just stick with your usual cylinder head cover material. At eWorldTrade, you can find a variety of cylinder head covers, and never have to worry about its quality. Our manufacturers are some of the best in the world, so you can be sure that you are getting the best there is out there. For any inquiries about the products, you can reach out to the manufacturers and suppliers directly.