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Home / Suspension & Lift Kits / Lift Kits / Rough Country 400358
Rough CountryPart 400358 · UPC 00840269972898

4.5-Inch Vertex Coilover Lift Kit for Ford Super Duty 4WD (2023-2026) — Part 400358

$2,699.95MAP price
In stock — 6 available
Shipping weight: 165 lb.
  • Fits 2023-2026 Ford F-250 and F-350 Super Duty 4WD — check the trim and drivetrain rows below
  • Does not fit gas-engine models, Tremor Off-Road Package trucks, or dually models
  • Front kit: Vertex 2.5 adjustable coilovers (left and right) plus two V2 monotube shock pairs for dual front shocks
  • Includes 2-inch outer diameter tubular radius arms for caster correction and fabricated 4.5-inch rear blocks with U-bolt kit
  • Bolt-on install with no cutting or drilling — downloadable installation guide available

The Trail Fortress check

Will it fit your truck?

✓ Fits

2023–2026 Ford F-250 Super Duty · 4WD
King RanchLariatLimitedPlatinumXLXLT
2023–2026 Ford F-350 Super Duty · 4WD
King RanchLariatLimitedPlatinumXLXLT

✕ Does not fit

  • Models equipped with a gas engine
  • Dually models

Does NOT ft models equipped with Tremor Off-Road Package as they are equipped with approximately a 1.5-inch factory lift. Fitment on this page is based on the manufacturer’s application data.

About this kit

4.5-Inch Vertex Coilover Lift Kit, fitment-checked

Rough Country 400358 is a 4.5-inch lift kit for diesel 2023-2026 Ford F-250 and F-350 Super Duty 4WD models. The front converts to Vertex 2.5 adjustable coilovers with a secondary V2 monotube shock per side, and tubular radius arms handle caster correction. It does not fit gas-engine, Tremor Off-Road Package, or dually models.

This 4.5-inch lift kit for the 2023-2026 Ford F-250/F-350 Super Duty 4WD covers XL, XLT, Lariat, King Ranch, Platinum, and Limited trims in the fitment section. The front runs Vertex 2.5 adjustable coilovers with 1/4-inch fabricated mounts and a top-mounted reservoir bracket, paired with a second V2 monotube shock per corner. Tubular radius arms with a 2-inch outer diameter bolt to the factory mounts, and fabricated rear blocks with a matching U-bolt kit level the truck front to rear. No cutting or drilling; a downloadable installation guide is available.

What’s in the box

Kit contents

  • 1× Vertex 2.5 Adj FR Lh 4.5IN-6.IN 685042L
  • 1× Vertex 2.5 Adj FR Rh 4.5IN-6.IN 685042R
  • 1× 4.5 In Block U-Bolt Kit 400130991
  • 1× Kit Box 400330991
  • 1× 4.5" Kit Box 400158991
  • 1× V2 MONOTUBE SHOCK PAIR 760805-2
  • 1× Radius Arm Pass Upgrade Box 43701991A
  • 1× Radius Arm Dr Upgrade Box 43701992A
  • 1× V2 MONOTUBE SHOCK PAIR 760818-2

Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 400358 kit fits the vehicles shown in the fitment section above.

Specifications

Specs

BrandRough Country
Part number400358
UPC / GTIN00840269972898
Lift height4.5 in
Shock packageVertex series
Shipping weight165 lb
Country of originTH
CategorySuspension & Lift Kits › Lift Kits
Installation guideDownloadable PDF

Why buy here

The fitment-first store

Manufacturer-listed exclusions shown. We publish what a part does not fit — before you buy, not after the return.
Sourced from the application data. Fitment on this page comes from the manufacturer’s application catalog, not a copied listing.
Real install docs. The actual step-by-step guide, linked right on the page.