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Rough Country

6 Inch Lift Kit

Diesel · 4-Link · M1 · Ford F-250/F-350 Super Duty (17-22)

Rough Country 6 Inch Lift Kit | Diesel | 4-Link | M1 | Ford F-250/F-350 Super Duty (17-22)

$1,939.95the kit

ETA 10/29/2026 · as of Sep 19

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6″ of lift
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Before you buy

Does NOT fit gas engine models. Does NOT fit manual shift transfer cases Does NOT fit dually models. Does NOT fit models with 3.5" rear axle tube Does NOT fit models equipped with rear factory contact overload springs New fabricated lift block replaces the factory equipped lift block. Does NOT work on models equipped with Tremor Factory Trim Package

About this kit

Gain greater travel and improved handling while adding ground clearance and aggressive style with Rough Country’s 4-Link F-250 Lift Kit. This innovative kit allows you to replace your factory arms with a 4-Link setup, using Rough Country’s durable, fixed upper arms and adjustable lower control arms. A set of radius arm drop brackets maintain proper geometry and allow for proper caster setting, which is crucial to maintain factory handling. This kit includes a set of lifted coil springs, radius arm drop-brackets, and ultra-durable, fabricated Anti-wrap rear blocks that prevent binding and axle wrap. This kit also includes stainless steel extended brake lines and brake line brackets to ensure you have everything you need to install your lift. Best of all, this kit features Rough Country’s Nitrogen-Charged N2.0 Shock Absorbers for the ultimate balance in off-road performance and a smooth highway ride. Includes Rough Country’s Lifetime Replacement Warranty

Highlights

  • Easy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks. Specially designed anti-axle wrap rear blocks maintain stock ride quality while eliminating common lift block problem.

What's in the box

  • 1 × 56020 Box Kit | Ford Super Duty (17-22) Part #1560BOX1
  • 1 × 4.5-6in Up Arm Kit | Ford Super Duty (17-22) Part #1560BOX2
  • 1 × 4.5-6in Lower Arms | Ford Super Duty (17-22) Part #1560BOX3
  • 1 × 4.5 In Block U-Bolt Kit No Overloads | Ford Super Duty (11-22) Part #1563BOX4
  • 1 × Transfer Case Clocking Kit | Ford Super Duty (17-24) Part #55003
  • 1 × M1 MONOTUBE SHOCK PAIR Part #770754P
  • 1 × M1 MONOTUBE SHOCK PAIR Part #770805P
  • 1 × Univ. 3 4 X 4 1 X 1 2in U-Bolt Kit | Ford Super Duty (17-22) Part #7673
  • 1 × 6 Inch Coil Box | Ford Super Duty (05-22) Part #9296

Specifications

BrandRough Country
Part number50740
UPC840269917622
Lift6″
Shipping weight322.2 lb
Country of originUSA
ShippingGround shipping only · Arrives in more than one box

Trucks it fits

TruckYearsDriveTrims
Ford F-250 Super Duty 2017–2022 4WD King Ranch, Lariat, Platinum, XL, XLT
Ford F-250 Super Duty 2018–2022 4WD Limited
Ford F-350 Super Duty 2017–2022 4WD King Ranch, Lariat, Platinum, XL, XLT
Ford F-350 Super Duty 2018–2022 4WD Limited
Exact SKU — the wheel you pick is the wheel we render True to size — fitment measured to the inch See it first — on your truck, before you spend a dollar