The Oil Change Top Cover is a metal cover that protects the top of the engine. It is located over the valvetrain, which controls the flow of air and fuel into and out of the engine. The oil change top cover seals the engine and prevents leaks.Attributes: • Withstand 600 kpa air pressure• Designed to withstand harsh operating conditionsApplications:The Oil Change Top Cover is used to protect the engine from dirt and debris and seal the engine from leaks.