All Ksport Airtech Systems feature high quality air bags, proven to handle the stress and abuse of daily driving as well as drift circuit use, near infinite adjustability thanks to the adjustable lower mount, the unmatched height adjustability (0-200mm) of air suspension and easy bolt-on installation. No modifications to OEM shock absorbers, or OEM top mounts. Vehicle may need to be modified for air line routing. All Ksport Airtech Systems use VIAIR compressors, and can be raised from the lowest setting to max height in as little as 2 seconds (for Pro and Pro Plus). Additional features include: 5 gallon air tank with two 1/4 inch ports and two 3/8 inch ports, 120-150 PSI pressure switch, two manual paddle valves with mounting hardware, 200 PSI dual needle gauge with mounting hardware, 4 high performance Ksport shock absorbers, featuring 36 levels of damping and adjustable lower mount, 4 high pressure air bags designed and engineered to match your vehicle, installation manual, all hoses and wiring.