Features: 5 click compression adjustment makes it easy to adjust settings on the trail and mountain Anodized dual ring locking adjusters make it easy to adjust your preload but ensure they stay set once you have them adjusted Arctic Cat & Polaris reservoirs have a finned cooling system that helps decrease temperatures and increases longevity and performance All ski shocks have compression/ rebound adjustment Front/ Rear track shock with compression/ rebound adjustment available for select Ski-Doo models Arctic Cat & Polaris track shocks have compression adjustment only All springed shocks feature a threaded body for ultimate preload adjustability Rebuild kits and replacement parts available for servicing and custom valving Hardened Chromoly shaft increases overall strength and seal longevity Springs are powder coated to reduce corrosion, increase durability and ensure continued strength under the harshest of conditions Eyelets consist of a forged aluminum head with premium steel and NBR bushings All shocks are sold each Designed To Fit: 2016 Polaris 600 Pro-RMK 155" 2016 Polaris 800 Pro-RMK 155" 2016 Polaris 800 Pro-RMK 163" 2016 Polaris 800 SKS 155" 2017 Polaris 600 Pro-RMK 155" 2017 Polaris 800 Pro-RMK 155" 2017 Polaris 800 Pro-RMK 163" 2017 Polaris 800 Pro-RMK LE 155" 2017 Polaris 800 Pro-RMK LE 163" 2017 Polaris 800 Pro-RMK LE 174" 2017 Polaris 800 SKS 155" 2018 Polaris 600 Pro-RMK 155" 2018 Polaris 800 Pro-RMK 155" 2018 Polaris 800 Pro-RMK 163" 2018 Polaris 800 Pro-RMK 174" 2018 Polaris 800 SKS 146" 2018 Polaris 800 SKS 155" 2019 Polaris 800 SKS 146" 2019 Polaris 800 SKS 155" 2019 Polaris 850 SKS 146" 2019 Polaris 850 SKS 155" 2020 Polaris 800 SKS 146" 2020 Polaris 800 SKS 155" 2020 Polaris 850 SKS 146" 2020 Polaris 850 SKS 155" 2021 Polaris 850 SKS 155"Manufacturer Part Number: LS8-50002