6 Inch Lift Kit | Gas | Radius Arm | Vertex | Ford F-250/f-350 Super Duty (05-07)

Built for Ford F-250/F-350 Super Duty owners who want 6 inches of ground clearance without sacrificing factory-correct suspension geometry — this radius arm lift kit levels your truck's stance while preserving the angles that keep your ride balanced on-road and off-road. The bolt-on design and included Vertex shocks mean you're ready to run 35"–37" tires the same day installation wraps.

Installed and serviced at Road Runner Wheels & Tires. Most lift kits go in the same day. Call (678) 400-6467 to schedule.

What's included

• Radius Arm Upgrade (pair) — Heavy-duty arms equipped with durable rubber bushings for vibration absorption and engineered to hold factory suspension angles with precision axle mounts.
• Vertex 2.5 Front Shocks (pair) — Adjustable damping for balanced on- and off-road ride quality.
• Vertex 2.5 Rear Shocks (pair) — Matched to the fronts for consistent suspension response across the truck.
• Lifted Coil Springs — Full-rate set engineered for the 6-inch lift height and load capacity.
• Add-A-Leaf — Rear leaf-spring upgrade to support the added height and maintain load-carrying ability.
• 3-Inch Block and U-Bolt Kit — Rear axle blocks with corrosion-resistant fasteners for controlled rear lift geometry.
• Alignment Cam — Adjustable caster correction at the axle to dial in factory-spec geometry after install.
• Track Bar Relocation Bracket and Drop Pitman Arm — Critical geometry corrections to maintain steering response and suspension articulation.
• Brake Line Relocation Brackets — Repositioned for clearance and safety under the lifted frame.

Important notes

• Does not fit dually models.
• Factory rear contact overload springs must be removed as part of installation.

Why customers pick this at Road Runner

• 100% bolt-on design — no cutting or drilling required; faster install means lower labor cost and your truck back sooner.
• Driveline geometry preserved — radius arms maintain factory-correct suspension angles, so your truck rides and steers like it should, not like a lifted beater.
• Alignment performed in-house — our techs dial in caster and all angles as part of every lift install; no separate trip to a wheel shop.
• Rough Country lifetime warranty backed locally — if anything breaks, Road Runner makes it right with no hassle or shipping delays.
• Professionally installed by techs who do these every week — not your buddy with an impact gun in his driveway.

Ready to build it? Call (678) 400-6467. Hablamos Español.