MIKUNI βαλβίδα Air Cut-Off MK-405 για YAMAHA YFZ 450 12-13 / POLARIS OUTLAW 500 06 BSR Air Cutoff Valve Rebuild KitRebuild kit for air cutoff valves on Mikuni BSR33 and BSR42 carburetorsKit includes an aluminum cover, diaphragm, springs and screwMade in Japan..