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

Built for diesel Super Duty owners who want 6 inches of lift, aggressive ground clearance, and 4-Link geometry that preserves factory handling — this Rough Country 4-Link lift kit replaces your factory control arms with a fully adjustable setup, adds lifted coil springs and anti-wrap rear blocks, and ships with application-tuned N3 shocks. Recommended tire range is 35"–37".

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

• N3 Shock Kit — application-valved nitrogen-charged shocks engineered for balanced on and off-road performance with a smooth highway ride.
• Box Kit — foundation for mounting the lift spring and supporting the increased suspension travel.
• Upper and Lower Control Arm Kits — fixed upper arms and adjustable lower control arms for proper 4-Link geometry and caster correction.
• Radius Arm Drop Brackets — maintain proper geometry and allow precise caster setting to preserve factory handling and driveability.
• Fabricated Anti-Wrap Rear Blocks — stronger than cast alternatives; engineered to prevent axle wrap and binding while maintaining stock ride quality.
• CV Front Driveshaft — diesel-specific driveshaft engineered for the increased suspension angles created by this lift.
• 6-Inch Coil Box — houses the lifted coil springs for the 6-inch lift.
• U-Bolt Kits — stainless steel fastening hardware; includes extended brake lines and brackets to ensure complete installation.

Important notes

• Diesel engines only — does NOT fit gas models.
• Does NOT fit dually models.
• Does NOT fit models with 3.5" rear axle tube.
• Does NOT fit manual shift transfer cases.
• Does NOT fit models equipped with rear factory contact overload springs.
• Does NOT work with the Tremor Factory Trim Package.
• Replaces factory lift blocks with fabricated units.

Why customers pick this at Road Runner

• Backed by Rough Country's Lifetime Replacement Warranty and installed locally by technicians who work on these kits every week.
• Radius arm drop brackets and adjustable lower arms preserve proper caster geometry — no factory handling loss after the lift.
• Professional alignment performed in-house as part of every lift install, ensuring your truck drives and handles like stock.
• Complete bolt-on kit ships with everything needed — driveshaft, extended brake lines, brackets, and shocks — no hunting for parts.
• Fabricated anti-wrap rear blocks are engineered to outlast cast alternatives and eliminate binding under load.

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