1985 - 1989 HONDA CR 500

Radvalve for cr500 85-89 | BOYESEN

Product description

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