Genuine OEM Jaguar Camshaft Lid Stud, part number C2D3523. This specialized fastener is designed to securely hold the camshaft lid in place, contributing to the engine's sealed environment and proper operation. It is installed as part of the camshaft lid assembly on the engine. This metallic stud, complete with a nut and washer, weighs approximately 0.02 kg. Using a genuine OEM stud ensures the correct thread pitch, length, and material strength for reliable fastening, preventing leaks and maintaining engine performance.