HYGEAR
HYGEAR PR/ HYGEAR SPRING SPACER S/M S -D C-MOTION SUSPENSION 61-35-020-A
      HYGEAR PR/ HYGEAR SPRING SPACER S/M S -D C-MOTION SUSPENSION 61-35-020-A. The Vendor part number is  61-35-020-A. Read title carefully to know what you are getting. Catalog description... 
  - Adds preload and effective rate to rear torsion springs
 - Allows for more accurate ride height setup
 - Increases efficiency of rear torsion springs