Fits the following Polaris models: 2015-2016 Ranger ETX, 2011-2014 Ranger 400, 2011-2022 Ranger 500/Crew 500, 2014-2023 Ranger 570 EFI/Crew 570, 2017-2023 'Full-Size' Ranger 570/Crew 570, 2013-2014 'Mid-Size' Ranger 800, 2015-2022 Ranger EV. Set of Monster Performance Parts monotube shocks featuring a dual-rate spring type for smoother handling and better performance under pressure. Gas-charged and manufactured with anti-foam and anti-shear to reduce internal friction. Uses high-quality multi-lip seals that reduce friction and keep grime out.