Now 3 different widths and drivers height options. Side-mount seat brackets for fixed back race seats such as Sparco, Corbeau, Nrg, and more, allowing for more headroom and helmet clearance in 350Z especially cars equipped with roll cages. Up to 3.5" adjustment front to back and multiple slots to set the angle. Bolt in without modification to the floor. Standard seat size fits 15-18". Wide fits up to 19.5" between mounts. Does not retain factory seat belt mount. Sold per seat, specify driver or passenger side. All parts come in our dark grey metallic powder coat.