Product SnowmobilePiston Back 09-815-02 Piston Kit For Yamaha 09-815-02 Piston Kit For Yamaha Snowmobile Item Number: 09-815-02 (0.50) Description: Piston Kit (Piston + Piston Rings) For Yamaha Snowmobile, Oversize 0.50 You May Also Be Interested In 09-717-01-F Piston Kit (0.25) For Polaris 09-679-02 Piston Kit For Arctic Cat 09-711162B Full Set Gasket W/Oil Seals For Ski-Doo P400220600127 Top End Gasket Kit For Cagiva