These are LONG BIG BORE SHOCKS by Traxxas. They may be used with the TRX-3 (rear) and used to upgrade the Eagle LSII and TRX-1 Fronts. FEATURES: Pre-assembled shocks only require filling with included oil, attaching included spacers and (not included) springs. Big-bore long shocks are hard-anodized and coated T-6 aluminum. INCLUDES: Two Shock Caps (aluminum) One Silicone Oil Bottle Two Cylinders (aluminum) 1-1/2" Three Diaphragms (black rubber) Three Large C Clips Two Ball Ends (white plastic) Three Flat Washers (nylon) 6mm Two Bushings (metal) Two Spacers 5mm Four Pistons (black plastic) Six "O" Rings (blue) Two Spring Retainers (plastic) Two Flat Washers (nylon) 5mm Two Spring Spacers (black plastic) Five Small E Clips Two Shock Shafts (1-3/4"x1/8") approximately Twelve Spring Adjusters (various size) REQUIRES: Springs C ring or needle nose pliers Tweezers 7/14/94sk ir/jl BOX DIMENSIONS: 4.63" W. X .88" H. X 5.88" L. BOX WEIGHT: .17 LBS.