Genuine OEM Hyundai Cylinder Head Bolt, part number 223212U000. This essential fastener is designed to secure the cylinder head firmly to the engine block, maintaining the integrity of the combustion chamber and preventing leaks. Manufactured from high-strength steel, it is engineered to withstand extreme temperatures and pressures within the engine. Using genuine OEM cylinder head bolts is crucial for achieving the correct clamping force and preventing warping or damage to the cylinder head or block, ensuring reliable engine performance.