6 Inch Lift Kit | Gas | 4 Link | C/o Vertex | Ford F-250/f-350 Super Duty (08-10)

Built for Ford Super Duty owners who demand ride quality and geometry-correct lift without compromise — Rough Country's 6-inch 4-Link Coilover Conversion upgrades your second-generation Super Duty's suspension with adjustable Vertex coilovers, radius arm drop brackets for proper caster control, and a fully redesigned control-arm geometry. Support tires up to 37 inches while maintaining factory 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 upper arms engineered to work with adjustable lower control arms for true 4-Link geometry.
• 6-inch Lower Arms — Adjustable lower control arms that allow you to dial in ride height and geometry precisely.
• Vertex 2.5-inch Adjustable Front Coilovers (pair) — Nitrogen-charged, 8-stage adjustable monotube shocks with 56% greater fluid capacity than standard reservoir shocks; external reservoir design maximizes dampening control.
• Vertex 2.5-inch Rear Coilovers (pair) — Fixed-height rear coilovers tuned to match the front's ride quality.
• Radius Arm Drop Brackets — Maintain proper caster geometry and allow for precise caster adjustment to preserve factory handling characteristics.
• Add-A-Leaf — Rear leaf spring addition to support the lift load.
• 3-Inch Rear Block & U-Bolt Kit — Rear axle locating hardware.
• Kit Box — Top-mounted reservoir brackets and coil-over mounts constructed from 1/4-inch steel; includes all fasteners and hardware.

Important notes

• Does not fit dually models.
• If your vehicle is equipped with rear overload leafs, they must be removed before installation.
• Gas models may require exhaust modification to clear the front driveshaft.
• Installation requires cutting and drilling; plan 6–10 hours for completion.

Why customers pick this at Road Runner

• Geometry-correct lift with caster correction built in — radius arm drop brackets allow proper caster tuning for factory-like handling, not just height.
• Vertex coilovers are 56% more capable than standard reservoir shocks — monotube design with external reservoir delivers superior damping control and ride quality on road and trail.
• Rough Country lifetime warranty backed locally — your investment is protected against structural and workmanship defects for as long as you own the truck.
• Professional installation by technicians who perform these conversions every week — we handle cutting, drilling, and caster setup so you don't have to.
• Alignment performed in-house as part of every lift install — corrected geometry and proper toe/caster are dialed before you drive off the lot.

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