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• Part Number : Superseded part - replaced by a newer part.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: - Maximize your combustion efficiency with the RayZR B2UA Valve assembly, the lungs of your high-performance engine. This kit features high-strength Valve Intake and Valve Exhaust, each designed to withstand the massive heat of every spark. Valve response is managed by the high-tension Spring Valve Inner, Lock Valve Spring, and Retainer Valve Spring, ensuring a perfect seal at high speeds. The assembly includes both Arm Valve Rocker and Rocker 2, featuring the Screw Valve Adjus and Nut for perfect lash clearance. Critical protection is offered by the Seal Valve Stem and a precision Shaft Rocker. Every Seat Valve Spring 2 is machined to exact factory standards for a zero-leak performance. Opting for genuine Yamaha valve components ensures that your compression remains high and your fuel burns cleanly for peak horsepower. This is a storyteller of engine efficiency, providing the purchase confidence and technical clarity required for a smooth-idling, powerful engine that delivers maximum power with every flick of the throttle.