XTRA LONG BIG BORE SHOCKS by Traxxas. They may be used to upgrade the EagleLSII and the TRX-1. These will be used on the Rear of the vehicle. INCLUDES 2-Shock Caps (aluminum) 1-Silicone Oil2-Cylinders (aluminum) 1-3/4" 3-Diaphragms (black rubber)3-Large