These new nylon pistons are a professional solution for the adjustable XRAY (XRAY & Serpent) shocks. Conversion set contains parts to upgrade all 4 shocks: 4 keyed shockrods (2 front, 2 rear) + 4 new adjustable pistons + 4 sets of 3 different non-adjustable pistons (with 2,3,4 holes) + all required assembly hardware.
