Fitment - Compatible with Polaris RZR 800 S Model 60" wide. Compatible with Polaris RZR S 800 2009-2014
Adjustable Preload - The air shock absorber preload have a long adjustable stroke, you can adjust the preload to fit different weight UTV, the adjust tool is include in the package
Adjustable Compression Damping - The shock compression damping can be adjusted with the knob, you can choose compression damping soft or hard to get different driving experience
Adjustable Rebound Speed - OUMURS air shock absorber rebound speed also is adjustable. You can turn the knob to change the shock absorber rebound speed fast or slow
Easy to Install - OUMURS air shock absorber install ways is same as your original one, you don't need to do any modify, just plug and play