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 09-741 Piston Kit For Ski-Doo 09-717-04-F Piston Kit (1.00) For Polaris 808331 Complete Gasket Kit For KTM 679-45321-02-00 Plate For Yamaha