Genuine OEM Volkswagen Engine Cylinder Head Screw, part number 07Z103384. This essential fastener is designed to securely attach the cylinder head to the engine block, maintaining the integrity of the engine's combustion chambers. It is a long, high-strength bolt, measuring 0.308 meters in length and weighing 0.265 kg. Using genuine OEM cylinder head screws is crucial for achieving the precise clamping force and torque specifications required to prevent head gasket leaks and ensure long-term engine reliability.