HYGEAR
HYGEAR HYGEAR DUALRATE SPRING KIT S/M S-D CENTER PRO 40 SHOCK 30-17-010
      HYGEAR HYGEAR DUALRATE SPRING KIT S/M S-D CENTER PRO 40 SHOCK 30-17-010. The Vendor part number is  30-17-010. Read title carefully to know what you are getting. Catalog description... 
  - Upgrades OEM front track shock spring
 - Converts to adjustable dual rate spring kit
 - Allows for changes in progression of the spring kit for softer or stiffer setting
 - Simply flip the spring separator for softer or stiffer setting
 - Easily replaces OEM tender spring known to break often due to over travel in shock configuration