Speedmaster aluminum timing covers are the perfect way to add strength and durability to the front of your engine, not to mention increased looks. TheseSpeedmaster billet aluminum timing covers are the perfect addition to your powerhouse. They feature thick gasket rails for rigidity and optimum oil sealing. With their stunning finish, you'll be sure to turn some heads when you pop the hood. The covers clear most timing chains and under-the-cover style gear drives. Some minor machining may be required for use with cam buttons or roller cams.