Today on our 2010 GMC Sierra, we'll be installing Hidden Hitch, part number 87186.This is what our hitch will look like once it's installed. Next we'll go ahead and giveyou a couple of measurements to assist you with selecting accessories for your newhitch. From the center of the hitch pin hole, to the outermost edge of the bumper is 2-1/2". From the top of the receiver tube to the ground is… see more >