Product SnowmobilePiston Back 09-815-02 Piston Kit For Yamaha 09-815-02 Piston Kit For Yamaha Snowmobile 0.50 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 09-723-01 Piston Kit For Polaris 09-741-02 Piston Kit For Ski-Doo VG-8064M Top End Gasket Kit For Kawasaki VG-329 Full Set Gasket Kit For Suzuki