• DIRTY AIR rear system for Sportster models.  Shocks are designed and built specifically for Sportster models, the rest of the system is a universal style system so some fabrication will be necessary to mount components like the air compressor.
• DEFAULT COLLAPSED HEIGHT 9.00" FOR STOCK APPLICATION.  IF YOU HAVE AN AFTERMARKET FENDER AND CAN GET LOWER THAN 9.00" (MEASURED FROM CENTER OF TOP BOLT TO CENTER OF LOWER BOLT), YOU CAN ELECT YOUR DESIRED COLLAPSED SHOCK HEIGHT IN THE DROP-DOWN MENU ABOVE
• Fits Sportster models.  
• This is system is assembled to replace your stock shocks with height-adjustable air shocks. 
• This system will allow you to lower your bike with all of the air released, and air it up to around stock ride height for a smooth ride in a matter of seconds.  
• Kit includes DIRTY AIR Sportster aluminum air shocks, standard finish is black.  Standard collapsed height 9.0", extended height 11.75".  
• System includes exclusive black air compressor, with basic bracket to mount compressor to a flat surface - some fabrication will likely be necessary to mount the compressor. 
• System uses all nickel-plated brass high-flow high-pressure push-to-connect fittings throughout the entire system, and a manifold-style dump valve block for optimum performance.
•  This kit includes all of the components for a fully functional, fully height adjustable rear air suspension.  
• We recommend measuring the travel of your rear suspension the ensure the 9.0" collapsed height allows clearance between tire and fender when aired out.  System comes similar as pictured.
• Switch is a mini toggle switch that mounts in a 1/4" hole, and includes a protective waterproof boot.