Genuine OEM Jaguar Distributor To Cylinder Head Stud Bolt, part number AJ812929. This stud bolt is designed to securely fasten the distributor to the cylinder head, maintaining its correct position for optimal engine function. It is installed in the engine assembly, connecting the distributor to the cylinder head. Manufactured to exact factory specifications, genuine OEM stud bolts provide the precise thread pitch and material strength required for critical engine components, preventing loosening and ensuring long-term reliability.