6 Inch Lift Kit | Gas | 4 Link | Rr Spring | C/o Vertex | Ford F-250/f-350 Super Duty (05-07)

Built for Ford Super Duty owners who want a 6-inch lift with coilover ride quality and adjustable geometry, this 4-Link Coilover Conversion kit replaces your factory independent suspension with Rough Country's durable fixed upper arms, adjustable lower control arms, and 2.5-inch Vertex Coilovers. You'll gain up to 37-inch tire clearance while maintaining proper caster geometry for factory-like handling and driveability.

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

• 6-inch Upper Arm Kit — Fixed arms engineered to work with your 4-Link conversion and maintain proper suspension geometry.
• 6-inch Lower Arms — Adjustable lower control arms that allow fine-tuning of caster and vehicle stance.
• Vertex 2.5-inch Adjustable Front Coilovers (pair) — Monotube design with external reservoir, 56% greater fluid capacity than standard shocks, and 4.5–6-inch ride-height adjustment range.
• Vertex 2.5-inch 8-Stage Adjustable Rear Coilovers (pair) — Match the front geometry and offer 6-inch total lift with dampening tuning for your terrain.
• 6-inch Rear Leaf Springs (pair) — Heavy-duty replacements rated for the added lift and load capacity.
• Radius Arm Drop Brackets — Maintain proper caster angles and factory handling characteristics after the lift is installed.
• Kit Boxes and U-Bolt Kit — All hardware and mounting brackets needed to complete the conversion.

Important notes

• This kit does not fit dually models.
• Installation requires cutting and drilling — professional installation is strongly recommended to ensure proper geometry and caster alignment.
• Recommended tire range is 35–37 inches; exceeding this size may affect handling and driveline angles.

Why customers pick this at Road Runner

• Rough Country Vertex Coilovers are professionally tuned and mounted — no in-home adjustments needed out of the box.
• Radius arm drop brackets installed correctly by our technicians preserve caster geometry, so your truck drives like stock but sits 6 inches higher.
• Alignment performed in-house as part of every lift install — we dial in caster, camber, and toe to factory spec.
• Lifetime Rough Country warranty backed by Road Runner — we handle warranty claims locally and keep parts in stock.
• We've installed hundreds of these kits on first-gen Super Duties; our crew knows every trick and potential interference point.

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