The All-Pro wheel spacers add extra width to the front or rear axle of your 4X4. Wheel attaches to studs on spacer with stock lug nuts. Easy bolt-on installation, no removal of studs is needed and installation can be performed in just minutes. CNC machined from 6061-T6 billet aluminum with Grade-8 studs already pressed in. Prices shown are for a complete kit including two spacers with studs and new acorn style lug nuts.