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Home / Suspension & Lift Kits / Lift Kits / Rough Country 55450
Rough CountryPart 55450 · UPC 00843030190163

6-Inch Lift Kit with Vertex Shocks for F-250/F-350 4WD (2017–2022)

$3,199.95MAP price

Free shipping · 30-day returns

In stock: 2 available
Shipping weight: 367.62 lb.
  • Fits 2017–2022 Ford F-250 and F-350 Super Duty 4WD, XL through Limited: review every exclusion below
  • Does not fit gas engine, dually, manual-shift transfer case, 3.5-inch rear axle tube, or Tremor Factory Trim Package trucks
  • Only for trucks equipped with rear factory contact overload springs
  • Kit contents include four Vertex 2.5 shocks, 6-inch coils, radius arm drop brackets, 6.5-inch rear blocks with U-bolts, and a transfer case clocking kit
  • Bolt-on install with a downloadable installation guide available

Will it fit your truck?

✓ Fits

2017–2022 Ford F-250 Super Duty · 4WD
King RanchLariatLimitedPlatinumXLXLT
2017–2022 Ford F-350 Super Duty · 4WD
King RanchLariatLimitedPlatinumXLXLT

✕ Does not fit

  • Gas engine models
  • Dually models
  • Manual shift transfer cases Does NOT fit models with 3.5" rear axle tube ONLY fits models equipped with rear factory contact overload springs Does NOT work on models equipped with Tremor Factory Trim Package

More for your truck

6-Inch Lift Kit with Vertex Shocks, fitment-checked

A 6-inch lift kit for 2017–2022 Ford F-250 and F-350 Super Duty 4WD models, built around four Vertex 2.5 shocks, a coil package, radius arm drop brackets, and fabricated rear blocks with U-bolts. Diesel models with factory contact overload springs only. Gas engines, duallys, manual-shift transfer cases, 3.5-inch rear axle tubes, and the Tremor package are all outside this application.

This 6-inch lift kit for the 2017–2022 Ford F-250/F-350 Super Duty 4WD arrives as a full box set: a 6-inch coil box, a radius arm kit with upgrade boxes, a 6.5-inch block and U-bolt package, a transfer case clocking kit, and two front plus two rear Vertex 2.5 shocks. Radius arm drop brackets reset caster so steering geometry stays close to factory, and the rear blocks are fabricated rather than cast. Confirm your truck runs a diesel engine, an electronic-shift transfer case, and factory contact overload springs before ordering. A downloadable installation guide is available. Shipping weight: 367.62 lb.

Kit contents

  • 1× 6 Inch Coil Box 9296
  • 1× 6.5 In Block U-Bolt Kitoverloads 1550BOX2
  • 1× Radius Arm Kit Box 512BOX1
  • 1× Univ. 3 4 X 4 1 X 1 2in U-Bolt Kit 7675
  • 1× Transfer Case Clocking Kit 55003
  • 2× Vertex 2.5 FR 6 In 685754
  • 2× Vertex 2.5 RR 6 In 695805
  • 1× Radius Arm Upgrade Box 53600991A
  • 1× Radius Arm Upgrade Box 53600992A

Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 55450 kit fits the vehicles shown in the fitment section above.

Specifications

BrandRough Country
Part number55450
UPC / GTIN00843030190163
Lift height6 in
Shock packageVertex series
Shipping weight367.62 lb
Country of originTH
CategorySuspension & Lift Kits › Lift Kits

Why buy here

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.

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