Products Snowmobile- PolarisGasket Back Reed Gasket 09-717270 / 717270 / 5412817 Item Number: 09-717270 Windersa Number: 717270 OEM Number: 5412817 Fit on models: Polaris 440PRO X You May Also Be Interested In Reed Gasket 09-717263 / 717263 / 5412354 Exhaust Gasket 09-718109 / 718109 / 3084439 / 3086995 / 3084046 / 3085845 Gasket , Cover 655-12414-A1 Piston Kit 09-716-03