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 09-914 Piston Kit 09-714 Piston Kit For Polaris 13001-3714-02 Piston-0.5 For Kawasaki 650 29059-88 Evolution Air Cleaner to Carb Gasket For Harley Davidson