Get ready for your next race with these Pro-Line Racing 1/10 Pre-Assembled Pro-Spec Rear Shocks designed for short course trucks. The set of shocks comes with white Delrin pistons and shafts, a hard chrome-coated 3.5mm shock shafts, and a selection of three different piston sizes as well as a blank piston for custom sizing. In addition, the easy-access bleeder cap design and the Pro-Line PowerStroke Universal Shock Mounting kit (PROC6079) make this a strong ally before hitting the dirt.