Genuine OEM Jaguar Motor Valve Lid Mount, part number XR85378. This fastening element is designed to securely hold the valve lid in place, preventing leaks and ensuring the proper function of the engine assembly. It consists of a bolt, washer, and a rubber grommet for vibration dampening and a tight seal. Choosing genuine OEM ensures precise fitment and the correct material composition for long-lasting performance in the engine environment.