Boyesen RAD21F Rad Valve

Features

• Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake ports
• Provide quicker, sharper throttle response and more horsepower throughout rpm range
• Specially-designed reed cage holds Boyesen's patented dual-stage reeds
• Boyesen's hot RAD valves ratchet up your torque
• One-piece cast aluminum bolts in easily
• Order one set per cylinder