These are 100% bolt on sliders, frame plate design varies from make and model. These are constructed of 1.75″x.120″ DOM tubing and 3/16″ thick frame plates with gusseted legs. Tacoma frames you just have to drill a couple 3/8″ holes in the bottom of the frame. The 4th gen 4runner and GX-470 sliders you just have to install a 3/8″ nut sert on the frame. Installation of a nutsert video will be below. The 2010 and newer 4runners, Gx-460s and FJ Cruisers and require no drilling, just bolt up to factory holes. They come raw steel. Comes will all necessary mounting hardware.