Designed to accommodate up to a 40″ tire the TeraFlex JL: Alpha HD Hinged Spare Tire Carrier (NOT INCLUDED) and Alpha HD Adjustable Spare Tire Mount will secure your full-size spare tire over the most extreme trails and rugged terrain. Mounts to the TeraFlex JL: Alpha HD Hinged Spare Tire Carrier or the factory tailgate. Although the Alpha HD Adjustable Spare Tire Mount can be used alone it has been designed to be installed in conjunction with the Alpha HD Hinged Spare Tire Carrier. The Tire Mount can support the additional weight of a full-size spare tire by securely mounting the tire to the Tire Carrier and tailgate. Complete adjustability includes vertical as well as fore and aft adjustments. The Alpha HD Adjustable Spare Tire Mount Kit includes a quick-release 3rd Brake Light Mount and billet aluminum Rearview Camera Mount. The heavily gusseted Tire Mount is formed and welded from CNC laser cut steel for superior strength while the adjustable Tire Carrier is constructed from strong and lightweight 6061-T6 extruded aluminum.