We have assembled a kit for you Polaris guys, with Genuine MIKUNI Brand parts. One Kit covers all three carbs. Comes as shown in the picture. 3 of each - front cover diaphragms, check valves, gasket for valve body, needle and seats, needle arm springs, high and low screw o-rings, internal fuel filter, and rear cover o-ring gasket. Fit Polaris 650/750/780 with blue Fuji engine. Please email with questions before ordering.