Alpha HD Adjustable Spare Tire Mount Kit

The Alpha HD Adjustable Spare Tire Mount Kit (MPN 4838910) by TeraFlex is a heavy-duty exterior spare tire carrier engineered for serious off-road vehicles and daily drivers that demand secure, accessible tire storage without sacrificing cargo space. Whether you're running a modified Jeep, truck, or adventure rig, this adjustable mount solves the practical challenge of relocating your spare from the rear bumper to the tailgate or cargo area, freeing up towing capacity and improving approach angles. Built for enthusiasts and mechanics who understand that proper tire mounting isn't just about convenience—it's about weight distribution, vehicle balance, and dependable security on rough terrain.

TeraFlex engineered this kit with adjustable mounting geometry that accommodates various tire sizes and vehicle profiles, allowing you to dial in the perfect fitment for your specific setup. The HD (heavy-duty) designation reflects reinforced steel construction designed to handle full-size 35-inch tires and heavier loads without flex or rattle, critical when traversing washboard trails or highway speeds. The adjustable arms and bracket system support fine-tuning of both horizontal and vertical tire position, ensuring proper clearance from windows, lights, and body panels while maintaining optimal weight distribution over the rear axle. Weighing 25.31 pounds, this mount is substantial enough for durability yet engineered to minimize unsprung weight penalty on suspension geometry.

This kit serves daily drivers, weekend warriors, and expedition builders who regularly swap tires or need backup rubber for remote travel. Installation requires basic mechanical skills and standard hand tools—most setups complete in 2–4 hours depending on existing hardware and vehicle modifications. The Alpha HD works with most modern SUVs, trucks, and Jeeps featuring tailgate or cargo door configurations; verify your vehicle's payload capacity and ensure proper torque specifications for all fasteners. Proper installation with locking hardware prevents theft and vibration-induced loosening, essential for long-term reliability.