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 09-812 Piston Kit For Yamaha 09-817 Piston Kit For Yamaha 584477 Ignition Coil For Johnson/ Evinrude 34901-07 Primary Cover Gasket For Harley Davidson