The Spax RSX3 is a double adjustable coilover, offering separate bump and rebound damping adjustment to give you total control over how your car handles.Separate 28-way bump and rebound adjustmentHeight adjustableStainless steel threads for durabilitySpax RSX3 are two-way adjustable coilovers. A paired combo of uprated damper and spring, with height and damping adjustment. Replacing both components at once allows the car to be lowered significantly more than would be possible with springs that had to fit a factory damper.Two-way adjustment means they offer separate rebound and compression adjustment, for fine control over how your car handles. Compression or Bump adjustment controls how firm the damper is on the down-stroke, and rebound adjustment controls how quickly it decompresses on the upstroke. Having fine control of this gives you precise control over how your car handles in corners and over bumps.While RSX coilovers are a good, cost effective solution to damping adjustable susp