This is the Stock Plastic Replacement Tree for the front and rear Pro-Spec Shocks from ProLine. FEATURES: Fits the #6308-00 Front Pro-Spec shocks, and the #6308-01 Rear Pro-Spec shocks Plastic construction INCLUDES: Three of each 1mm and 2mm Droop Spacers Two Shock Caps Two Rod Ends Two optional Lower Spring Retainers Shock Tightening Tools for the top and bottom caps and the cartridge