Conveniently store your spare tire with a GMC Accessories Bed-Mounted Vertical Spare Tire Carrier. Designed and engineered specifically for your vehicle, it will hold the full-size production spare tire but can also accommodate up to a 37-inch tire. Tire carrier mounts vertically on the driver side of the bed. Installation by an authorized dealer is recommended. Includes bed-mounted rails, tire carrier, four lug nuts to secure tire to carrier and tool box (to carry GMC Accessories Spare Tire Jack and Tool Kit sold separately).