4.5 Inch Lift Kit | Fr D/s | C/o Vertex | Ford F-250/f-350 Super Duty (17-22)

Built for Ford Super Duty owners who demand serious lift without sacrificing ride quality, this 4.5-inch coilover conversion kit replaces the factory independent coil-and-shock setup with adjustable Vertex monotube shocks, giving you up to 35-inch tire clearance while preserving factory-like suspension geometry through precision-engineered 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

• Kit Box — Ford Super Duty–specific structural components.
• Block U-Bolt 4.5-inch Kit — Fabricated rear blocks engineered to be stronger and longer-lasting than cast alternatives, with anti-axle wrap design to maintain stock ride quality.
• 4.5" Coilover Conversion Box — Complete coilover mounting and integration hardware.
• CV Drive Shaft (Front, Diesel) — Factory-replacementfront driveshaft optimized for 4WD diesel Super Duty models.
• Vertex 2.5" Adjustable Front Shocks (Left and Right, 4.5–6 inches) — Nitrogen-charged, 8-stage adjustable monotube shocks with external reservoirs delivering 56% greater fluid capacity than standard units for superior damping control.
• Vertex 2.5" Rear Shocks (qty 2, 6 inches) — Matched rear shocks maintaining geometric alignment and ride consistency.
• Universal U-Bolt Kit — Hardware for secure block and shock retention.

Important notes

• Diesel engine only — does NOT fit gas engine models.
• Does NOT fit dually models.
• Does NOT fit manual shift transfer cases; automatic transmissions only.
• Only fits models equipped with rear factory contact overload springs.
• Does NOT fit the Tremor Factory Trim Package.
• Models equipped with 10-speed transmission require dial pin removal during installation.
• Installation requires cutting and drilling; 6–10 hours recommended for completion.

Why customers pick this at Road Runner

• Radius arm drop brackets correct caster angle — preserving factory handling and driveability after lift install.
• Rough Country lifetime limited warranty backed locally — we handle all claims in-house.
• Professionally installed by technicians who perform these conversions every week.
• Alignment performed in-house as part of every lift install — no extra trips.
• Vertex monotube shocks ship with each kit — no in-cart guessing on damping or piston size.

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