6 Inch Lift Kit | Diesel | 4 Link | Ovld | C/o Vertex | Ford F-250/f-350 Super Duty (17-22)

Built for diesel Super Duty owners who demand maximum ride height with coilover adjustability and factory-correct handling, this 6-inch 4-Link Coilover Conversion Lift Kit replaces your factory independent coil setup with a complete suspension overhaul. You gain 6 inches of lift, support for 35–37 inch tires, and the ability to dial in dampening and ride height to your exact preference — all while maintaining proper caster geometry through radius arm drop brackets.

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 — Overload setup for the rear axle to support added load and height.
• Box Kit — Mounting and structural frame components for the lift assembly.
• 4.5–6in Upper Arm Kit — Fixed upper control arms that replace the factory setup in the 4-Link conversion.
• 4.5–6in Lower Arms — Adjustable lower control arms for fine-tuned suspension geometry.
• 6" Coilover Conversion Box — Structural brackets and top-mounted reservoir mounts machined from 1/4-inch steel to support the new coilover setup.
• Transfer Case Clocking Kit — Allows proper re-indexing of the transfer case to maintain driveline angles after the lift.
• Vertex 2.5 Front Coilovers (Left/Right) — Adjustable 2.5-inch piston, nitrogen-charged coilovers with 8-stage dampening control and external monotube reservoirs for superior damping.
• Vertex 2.5 Rear Coilovers (Pair) — Matching rear coilovers with the same monotube design and adjustment capability.
• U-Bolt Fastener Kit — Complete hardware to secure the new block and coilover mounts.

Important notes

• This kit requires cutting and drilling during installation — plan 6–10 hours for a complete install.
• 10-speed transmission models must have the dial pin removed before installation.
• Diesel engine models only — does NOT fit gas-powered Super Duties.
• Does NOT fit manual shift transfer cases or dually configurations.
• Does NOT fit vehicles equipped with the Tremor Factory Trim Package.
• The new fabricated lift block replaces your factory block as part of this conversion.
• Radius arm drop brackets are included to maintain proper caster — crucial for factory-correct handling and steering response after the lift.

Why customers pick this at Road Runner

• Coilover adjustability — dial in ride height and dampening yourself without swapping shocks later.
• Proper caster correction built in — radius arm drop brackets keep your steering feel and tire wear where they belong, not compromised by the lift.
• Vertex monotube design — 56% greater fluid capacity than standard reservoir shocks means more consistent damping under load and in rough terrain.
• Transfer case clocking kit included — driveshaft angles stay correct, protecting your drivetrain from premature wear.
• Rough Country lifetime warranty backed locally — if anything fails due to manufacturing defect, we handle the replacement at Road Runner.
• Professional installation and alignment performed in-house — our techs do these conversions every week and dial your geometry before you leave.

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