Spax RSX Coilover Suspension Kits are height and damping adjustable coilover kits. Offering a terrific feature-set at a great price these a great balance of performance, features, and value.Height adjustableDamping adjustableExcellent build qualitySpax RSX Coilover Suspension Kits come with hand-build, on-car adjustable dampers, threaded stainless steel spring seat adjusters, aluminium anodised spring seats, and carefully matched chrome-silicone coated springs.Spax have been hand-building dampers in Great Britain for over 60 years and those are the starting point of any of their suspension kits. Spax dampers utilise a resilient twin-tube design fully hand-assembled in-house, filled with oil and krypton gas. Spax tend to make almost exclusively adjustable dampers. These are on-car adjustable with a single knob controlling both bump and rebound. The damper units are normally adjustable either at the top of the damper or at the base, according to where and how it is mounted. The krypton g