This is the Shock Maintenance Kit for the HPI VVC HD Shocks used on the Baja 5B. For use with both the Front (HPIC9811) and Rear (HPIC9812) VVC shocks Stops leaking and insures a tight seal Two S15 O-Rings, HPIC5071 Four P6 O-Rings, HPIC6927 Two 12.3mm Metal Spacers Two 3mm Metal Spacers Six C-Clips Instruction Sheet Installing in shocks following instructions on sheet jxs 5/20/08 ir/jxs &