4.5 Inch Lift Kit | M1 | Diesel | Ford F-250/F-350 Super Duty 4WD (2023-2026)

Upgrade your 2023–2026 Ford F-250/F-350 Super Duty 4WD with Rough Country’s 4.5" Suspension Lift Kit—M1 Diesel edition—and instantly erase factory rake for a bold, aggressive stance that commands the street and dominates the trail. This front-to-rear leveling solution adds height where it matters, delivering a confident silhouette without sacrificing daily drivability.

Engineered for balanced, confident handling

Lifted front coil springs provide the extra ground clearance you crave while preserving comfort and control. Radius arm drop brackets correct caster alignment, ensuring your factory handling stays intact as you rack up miles off-road or roll through city streets. Sway bar drop brackets and a track bar work in harmony to maintain the truck’s geometry, delivering a predictable, planted feel whether you’re cruising or climbing rocky grades.

Built to last, mile after mile

Rough Country loads this kit with robust components designed for real-world use. Heavy-duty fabricated rear blocks replace standard cast blocks, with anti-axle wrap features that keep your rear end stable under load and maintain a smooth ride whether you’re towing, carrying gear, or heading out on a weekend adventure.

Customize your performance

Choose the shock configuration that matches your driving style and environment:

• N3 series for a balanced blend of highway comfort and off-road capability
• M1 Monotube shocks for improved control and durability under demanding conditions
• V2 Monotube shocks for faster response, superior heat dissipation, and maximum performance in challenging terrain

Effortless installation, serious results

With a 100% bolt-on design, this lift kit installs without cutting or drilling. It also provides tire clearance for up to 35" tires when paired with the proper wheel backspacing, giving you the flexibility to create the stance you’ve imagined without sacrificing safety or ride quality.

Why this kit stands out

What sets this kit apart is the careful attention to ride geometry and durability, not just height. The combination of radius arm drop brackets, sway bar and track bar modifications, and anti-axle wrap rear blocks means you don’t just look higher—you drive with confidence, enjoy stable handling, and preserve the ride quality you rely on every day.

Who it's for

Ideal for diesel-powered 4x4 enthusiasts who want a commanding street presence, improved off-road capability, and the reliability to handle heavy loads. If you value precise alignment, a smooth ride, and the option to tailor performance with M1, N3, or V2 shocks, this lift kit is engineered for you.

Practical tips for your build

• Plan tire fitment around wheel backspacing to fully realize the 35" tire capability
• Schedule a professional alignment after installation to maximize caster and geometry benefits
• Follow maintenance intervals for monotube shocks to maximize longevity and performance

Warranty you can rely on

Rough Country backs every 4.5" Suspension Lift Kit with a Limited Lifetime Replacement Warranty, so you can pursue fearless driving with lasting confidence.