SPAX PSX kits contain 4 uprated, shortened, 28 stage on-car adjustable dampers, matched to a set of our SSX Springs. SPAX engineers have developed these kits to produce maximum control and handling. PSX dampers are uprated, shortened and pressurised with Krypton gas. This produces not only superior low speed ride quality, but also high speed performance that is ultra stable, fade free and therefore significantly improved. The result is maximum cornering speed and traction, minimum braking distance and roll. Maximum adrenaline when you want it, minimum adrenaline when you don’t! PSX kits are ideal for most fast road applications and occasional “track days” because they have a wide range of on car adjustment with no dismantling. Transform your car’s handling from “drive to work” to “track day” in about a minute!