This ELRING cylinder head bolt set, part number 820.229, is engineered to meet the demanding requirements of modern engines. Each bolt is manufactured from high-strength materials to withstand the extreme pressures and temperatures found within the engine's combustion chamber. Proper installation of these bolts is crucial for maintaining the integrity of the cylinder head gasket and preventing leaks. The set includes all necessary bolts, ensuring a complete and correct replacement for your vehicle's cylinder head. ELRING is a trusted name in engine components, known for its commitment to quality and durability. Choosing this bolt set means opting for a reliable solution that contributes to the longevity and optimal functioning of your engine.