This ELRING cylinder head bolt set (part code 802.661) is engineered to meet stringent quality standards, ensuring the integrity of your engine's cylinder head assembly. Proper installation of these bolts is crucial for maintaining optimal compression and preventing leaks. ELRING's commitment to precision manufacturing guarantees that each bolt provides the correct clamping force, contributing to the longevity and efficiency of your engine. This set includes all necessary bolts for a complete cylinder head replacement, offering a convenient and dependable solution for engine repairs and maintenance. Trust ELRING for durable and high-performing engine components.