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• Part Number : Superseded part - replaced by a newer part.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 B2U2 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 Heads to ensure consistent torque across 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 and performance.