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 09-713-01 Piston Kit 09-716-02 Oil Filter 35-802893Q01 / 802893Q01 / 802893T / 60494A5 / 802893Q / 52456 / 55501 / 806771 / 807172 /805269 / 8052691 / 57250 Key, Woodruff 90280-05013