Fitment: (2013-2017) Polaris Ranger XP 570/900/1000 Full-Size, (2014-2018) Ranger XP 570/900/1000 Crew Full-Size, (2020) Ranger 1000 Non Crew/Crew. The S3 Power Sports Polaris Ranger HD Springs are engineered with performance and functionality in mind. These Heavy Duty springs are designed to increase your load capacity and decrease suspension "sag" you get with factory springs. You will also improve vehicle stability with the increased spring rate and, in many cases, increase ground clearance. If you like to work hard or play hard, our Polaris Ranger HD Springs are a necessity.