PART NUMBER: RAD21D
RMM PART: RAD21D
BRAND: BOYESEN
please contact sales at (800)482-4899 to place your order.
Maintain flow velocity through the valve and redirect intake charge for more even distribution to intake portsProvide quicker, sharper throttle response and more horsepower throughout rpm rangeSpecially-designed reed cage holds Boyesen's patented dual-stage reedsBoyesen's hot RAD valves ratchet up your torqueOne-piece cast aluminum bolts in easilyOrder one set per cylinder