Q1. How hard is the installation? No professional skills needed - most owners finish in 5-10 minutes with a simple screwdriver. Drill-free design, direct bolt-on replacement. Q2. Will it fit my car? This set fits: - 2014-2015 Polaris Ranger 570 (-- / 4x4 Full Size / 4x4 Full Size Eps / Efi / Eps / LE Efi Eps / Pursuit Efi) - 2013-2014 Polaris Ranger 900 (Diesel) - 2014-2015 Polaris Ranger Crew 570 (-- / 4x4 Full Size / 4x4 Full Size Eps / Efi / Eps / LE Efi Eps / Pursuit Efi) - 2013-2015 Polaris Ranger Crew 900 (-- / Diesel / Eps / LE Eps) - 2015 Polaris Ranger Crew 900 6 (-- / Eps) - 2013-2016 Polaris Ranger Xp 900 (-- / 4x4 Deluxe / 4x4 Eps Deluxe / 4x4 Hunter Deluxe Edition Eps / 4x4 Hunter Edition Eps / Browning / Eps / LE / LE Browning Eps / LE Eps) - 2014-2015 Polaris Rzr 4 900 (Eps / LE Eps) - 2013-2016 Polaris Rzr 570 (-- / Efi / Eps / LE Eps / LE Trail Efi Eps / LE Trail Eps / Trail Eps) - 2014-2015 Polaris Rzr 900 (-- / Eps / LE Eps / Pursuit / Trail Eps / Xc Edition) - 2015 Polaris Rzr S 900 (-- / Eps) - 2013 Polaris Rzr Xp 4 900 (-- / LE Eps) - 2013 Polaris Rzr Xp 900 (Efi / Jagged X Edition Ho / LE / LE Eps / Walker Evans Edition Eps) - and more - see the Fitment section below. Q3. How many struts do I get? 1 strut per order. Q4. When should I replace my gas strut struts? If the gas strut sags, will not stay open, or needs a prop rod - the gas struts have lost pressure and it is time. Q5. How durable are they? Grade 45 high-carbon steel, multi-layer chrome plating and anti-wear hydraulic oil, tested for 50,000+ compression cycles, stable from -40F to 110F.