Genuine OEM Volvo Cylinder Head Flange Bolt, part number 30640696. This high-strength bolt is specifically designed for securing the cylinder head to the engine block, ensuring a critical seal and structural integrity. It is a vital fastener for the proper functioning of the engine. Manufactured to exact Volvo specifications, this bolt provides the correct clamping force and thread engagement. Genuine OEM bolts are made from appropriate materials and heat-treated to withstand the demanding conditions within the engine, ensuring long-term reliability and preventing leaks.