KS RACING AIR SUSPENSION SYSTEMS: All KS RACING Air Suspension Systems feature high quality durable air bag coilovers and management units proven to handle the stress and abuse of daily driving, drag strips, burnouts pads, drift circuit and track use. Take advantage of the near infinite adjustability thanks to the adjustable lower foot, 33 levels of damping & rebound adjustments, the unmatched increased shock travel of 100-160mm and the air bag pressure adjustability of 0-140PSI. Our Air Suspension kits are designed for an easy bolt-on installation, otherwise very minimal modification required. Complete custom kits are also available to suit your vehicles specific specifications, requirements or needs. Management unit all comes prebuilt on display board ready to be put straight to use & show ready presentation.