If you want to unleash the full potential of your snowmobile, equip your track with studs designed for ultimate control and stopping power, with your specific sled and track in mind. With this kit, you’ll be able to easily install studs on your track and dominate your terrain. This Accessory is Designed to Fit the Following: 2019 Rush 600 XCR, 2019 Rush 850 XCR, 2018 Rush 600 XCR, 2018 Rush 800 XCR, 2017 Rush 600 XCR, 2017 Rush 800 XCR,