Shockcraft shim and drawing kit for revalving Vorsprung Smashpot HBO Allows revalving of the HBO circuit to be softer and allow full use of the last 30 mm of travel 4 tunes shown on the drawing, Bypass, Soft, Medium and Firm plus Stock Drawing lays out the shims required for each tune (paper drawing & to scale) Allows full travel without hitting the wall Installation requires special tools and knowledge Recommend Motorex Supergliss 100K (warm climate), Supergliss 68K (cool climate) or Motorex 2 to 7.5 wt
Shockcraft can revalve the HBO during service if you don't feel confident doing it yourself