Piston Rings Kit, Part 2204949 allows you to swap the rings on the piston without having to buy an entire new piston. Genuine OEM Service part. It's tested by Polaris engineers to ensure high quality and durability through tens of thousands of miles of field testing. Save time and money with this part. We've been a leader in the powersport industry for nearly 70 years, don't settle for anything less than OEM quality. This Accessory is Designed to Fit the Following: Snowmobiles , 2024-2025 ProStar S4 TITAN Adventure 155 , 2024-2025 ProStar S4 INDY Adventure 137 , 2023-2024 ProStar S4 Voyageur 146 , 2023-2024 ProStar S4 INDY XC 137 , 2023-2024 ProStar S4 INDY XC 129 , 2023 ProStar S4 INDY Adventure X2 137 , 2023 PROSTAR S4 INDY Adventure 137 Ranger , 2015 RANGER CREW 900-6 EPS , 2015 RANGER CREW 900-6 , 2014-2015 RANGER CREW 900 EPS , 2014-2015 RANGER CREW 900 , 2013 RANGER XP 900 EPS , 2013 RANGER XP 900 RZR , 2019 RZR S 4 1000 , 2019 RZR S 1000 , 2017-2018 RZR S 1000 EPS , 2016 RZR XP 4 1000 EPS High Lifter , 2016 RZR S 1000 EPS , 2015 RZR XP 1000 , 2014-2016 RZR XP 4 1000 EPS , 2014-2016 RZR XP 1000 EPS