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 09-691 Piston Kit For Arctic Cat 09-722-01-F Piston Kit (0.25) For Polaris 810268 Top End Gasket Kit For Honda 34901-85 Primary Cover Gasket For Harley Davidson