Rough Country's 6-inch Radius Arm Lift Kit gives your 2023-2026 4WD F-250 or F-350 Super Duty Diesel the clearance and capability to run up to 37-inch tires without sacrificing the composed, factory-like ride quality your truck was engineered to deliver. Tubular radius arms bolt directly into the factory mounts, keeping suspension geometry at proper angles so handling and drivability remain intact after the lift. This kit ships complete with every component needed for a full transformation of your truck's suspension.
Radius arms that preserve caster and geometry. Proper caster angle is the single most important factor in maintaining straight-line tracking and steering feel after a lift. Rough Country's tubular radius arms are precision-fit to the factory mounting points and feature a 2-inch O.D. construction with rubber bushings that absorb vibration and resist fatigue over long miles on and off the road.
Application-valved shock absorbers. Each shock included in this kit is valved specifically for the weight and suspension travel of the Super Duty platform, balancing on-road comfort with off-road compliance. Buyers can choose between N3 monotube, M1 monotube, or V2 monotube shock options depending on their intended use, from daily hauling to technical trail work.
Fabricated rear blocks built to last. Fabricated steel lift blocks replace the cast alternatives found in lesser kits, offering greater strength and longer service life. Rough Country's anti-axle-wrap rear block design keeps the axle positioned correctly under load, eliminating the wheel hop and vibration that plague standard lift block setups.
Product Benefits
- 6 Inches of Lift: Provides clearance for tires up to 37 inches on the 2023-2026 Super Duty Diesel 4WD.
- Tubular Radius Arms: 2-inch O.D. arms bolt to factory mounts and maintain proper caster angle for factory-like handling.
- Rubber Bushings: Dampen vibration and road noise for a comfortable ride on and off the pavement.
- Application-Valved Shocks: Available in N3, M1 monotube, or V2 monotube configurations for tailored performance.
- Fabricated Lift Blocks: Stronger and longer-lasting than cast blocks; anti-axle-wrap design preserves stock ride quality.
- Complete Kit: Includes all hardware and components needed for a full installation without sourcing additional parts.
- Limited Lifetime Replacement Warranty: Covers manufacturer defects in materials and workmanship from the date of purchase.
Note: Fits Diesel models only. Does not fit manual shift transfer cases. Does not fit dually models. Does not fit models equipped with the Tremor Factory Trim Package. To ensure proper functionality of your Advanced Drive Assistance System (ADAS) and Light Detection and Ranging (LiDar) systems, recalibration may be necessary to retain proper functionality of these features. Does NOT fit models equipped with auto leveling headlight function. Installation requires cutting and drilling; estimated installation time is 6-10 hours.
About Rough Country: Rough Country designs and manufactures suspension lift kits, leveling kits, and off-road accessories for trucks and SUVs across a wide range of platforms. Known for offering complete, bolt-in solutions at competitive price points, Rough Country backs its suspension products with a limited lifetime replacement warranty and maintains an extensive library of installation resources for DIY builders.
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Vehicle Fitment | 2023, 2024, 2025, 2026 |
