This ELRING engine block head bolt, part number 476.820, is engineered to meet stringent automotive standards. It provides the necessary clamping force to securely fasten the cylinder head to the engine block, which is critical for maintaining proper engine compression and preventing leaks. The bolt is manufactured from durable materials to withstand the high temperatures and pressures found within the engine. Its precise threading ensures a secure fit and reliable performance over the lifespan of the component. Proper installation of this head bolt is essential for the integrity and longevity of your engine. It is designed to be a direct replacement for the original part, ensuring compatibility and ease of installation.