Color Legend:

• Red: Canceled part - unavailable for any operations.
• Blue: Part of a kit - cannot be ordered individually.
• Gray (Dimmed): Disabled part - non-interactive for various reasons.
• Part Number : Superseded part - replaced by a newer part.

Description: - Command high compression and thermal efficiency with the RayZR B2UH Cylinder Head assembly. This comprehensive top-end kit features the precision Cylinder 1 and the Cylinder Head Assy, both designed for rapid cooling and airflow. Every essential seal is provided, including the high-temp Gasket Cylinder Head 1, Gasket Cylinder, and Gasket Head Cover 1 for an airtight environment. Structural integrity is managed by a full suite of hardware, including Bolt Studs, Nut, and specialized Bolt Flanges. For a professional finish, the Cover Cylinder Head 1 and alignment Pin Dowels are included to prevent leaks. The kit is rounded out with a high-performance Plug Spark and Bolt Hexagon Socket Head hardware to ensure consistent torque across thousands of heat cycles. Using this genuine Yamaha cylinder head assembly guarantees that your engine maintains factory-spec power and fuel economy. This is a storyteller of power, providing the purchase confidence and mechanical clarity of a top end built by Yamaha for the ultimate in reliability.