6 Inch Lift Kit | 4-link | D/s | C/o V2 | Ford F-250/f-350 Super Duty (17-22)

Built for Ford Super Duty owners who want maximum lift with coilover-level ride control, this 6-inch 4-Link Coilover Conversion Lift Kit replaces your factory independent coil setup with adjustable Vertex coilovers and a properly-engineered 4-link rear suspension. Support 35"–37" tires while maintaining factory handling geometry through radius arm drop brackets and caster correction.

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

• 6.5 In Block U-Bolt Kit — heavy-duty rear block assembly engineered for durability and anti-axle wrap control.
• Box Kit — fabricated mounting frame for coil-over conversion, constructed from 1/4-inch steel.
• 4.5–6in Up Arm Kit — fixed upper control arms for 4-link geometry.
• 4.5–6in Lower Arms — adjustable lower control arms with radius arm drop brackets for caster correction and proper suspension geometry.
• Coilover Conversion Box — top-mounted reservoir brackets and coil-over mounts.
• CV Drive Shaft (Front, Diesel) — driveline component engineered for 4WD Super Duty driveshaft angles after lift conversion.
• Vertex 2.5 Adjustable Front Coilovers (Left & Right) — monotube design with external reservoir, 8-stage adjustable damping, 56% greater fluid capacity than standard reservoir shocks, and nitrogen charging for optimal ride quality.
• V2 Monotube Shock Pair — premium dampers with improved oil capacity and damping sensitivity.

Important notes

• Does NOT fit gasoline engine models — diesel only.
• Does NOT fit dually configurations.
• Does NOT fit manual shift transfer cases — automatic only.
• Models equipped with a 10-speed transmission must have the dial pin removed.
• Does NOT work with the Tremor Factory Trim Package.
• Installation requires cutting and drilling; 6–10 hours recommended.

Why customers pick this at Road Runner

• Coilover ride adjustability — tune dampening and height to your driving needs, not fixed-shock limitations.
• Caster correction and geometry preservation — radius arm drop brackets maintain factory handling and steering feel after lift.
• Professional installation with in-house alignment — we dial in caster and suspension geometry as part of every lift install.
• Rough Country lifetime warranty backed locally — manufacturing defects covered for the life of your vehicle.
• Diesel-specific driveline engineering — front CV driveshaft included to preserve transfer-case and axle geometry.

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