007-2009 Jeep JK Rock Rail Kit Figure 1 1. Remove the factory installed rock rails by removing the fasteners located at the pinch weld, and the underside in the floor. Keep the 6 fasteners [3 per side] removed from underneath in the floor. These will be reused. 2. There are 6 factory holes in the pinch weld area. Please note that a couple of the holes will need to be drilled out to a larger size using a ½” drill bit to accommodate installation of the Panel Nuts.