Polaris RZR 900 50″ Trail X1 Series EXIT Shocks. Each package includes all for shocks with high quality coil springs. The ultimate shock for your RZR XP900 50″ Trail. Exits 2″ bore is large enough to handle the demands of any type of terrain or riding style. The X1 shock is compression adjustable with the simple turn of a knob. Leave the tools in your tool bag all you need is your hands to get these shocks adjusted to your style. Threaded spring preload ring is also easy to access and adjust for your specific ride height requirements. Each set of Exit UTV shocks is custom built to each customer and comes with a 60 day ride quality guarantee allowing you the peace of mind to know you will get the ride you are looking for with us. Sold in sets of four shocks with springs. Rear shocks have dual rate springs for the ultimate in ride quality.