Fitment: (2015) Polaris Ranger 570 Full-Size, (2016+) Ranger 570 XP Full-Size, (2013+) Ranger XP 900, (2013+) Ranger XP 900 Crew, (2015+) Ranger 1000 Diesel. NOTE: Will not fit (2016+) Ranger 900 Highlifter Edition with stock axles, and does not fit the (2017) Ranger 1000 XP. Requires Rhino Brand axles. With structural integrity that gives you the confidence to blast the whoops or take on the most heart thumping of hills, AtlasPro arms are constructed of an extra high strength steel that is thermo-mechanically rolled and typically found in truck chassis and cranes. At 4x the strength of stock and backed by the SuperATV lifetime warranty, AtlasPro arms for the Fullsize Ranger are guaranteed to take anything you can throw at them.