Replacement PISTON HEAD SET for Traxxas Big Bore Shocks. PACKAGE INCLUDES: 2- Pistons (2-hole) 2- Pistons (3-hole) 2- Shock Mounting Bushings 2- Washers FEATURES: All parts are constructed of black plastic 6/28/94sk BOX DIMENSIONS: 3.13" W. X .25" H. X 3.13" L. BOX WEIGHT: .01 LBS.