Products Snowmobile- PolarisPiston Kit Back Piston Kit 09-703 Fit on Models: 1976 Polaris Starfire 250 1976-79 Polaris TX250 You May Also Be Interested In Piston Kit 09-714-01 Piston Kit 09-712-02 Piston Kit 09-722 / 2202237 Gear Set 43-18411A2 / 43-45814A5 / 43-75325A3 / 43-55778A3