Rough Country · Authorized Dealer
4.5 Inch Lift Kit | Radius Arm | Diesel | M1 | Ford F-250/f-350 Super Duty (23-26)
$1,739.95
Price does not include installation.
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🛠️ Install available in Marietta, GA
Installed and serviced at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Call (678) 400-6467 to schedule.
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Built for diesel Super Duty owners who demand ground clearance, leveling, and geometry that survives the workweek, this 4.5" lift kit eliminates factory rake, accommodates 33"–35" tires with proper wheel backspacing, and preserves suspension angles that keep your truck handling predictable under load.
Installed and serviced at Road Runner Wheels & Tires. Most lift kits go in the same day. Call (678) 400-6467 to schedule.
What's included
- 4.5" Block U-Bolt Kit — Fabricated rear blocks engineered for strength and anti-axle wrap control to preserve factory ride quality under torque.
- Radius Arm Boxes (front and rear upgrades) — Tubular radius arms with 2" outer diameter and factory-mount compatibility; no drop brackets required.
- Front 4.5" Coil Springs — Lifted front springs that raise stance while maintaining smooth, controlled ride characteristics.
- M1 Monotube Shock Pairs (front and rear) — Nitrogen-charged shocks tuned for balanced on-road comfort and trail performance.
- Sway bar drop brackets and track bar relocation bracket — Geometry correction components that maintain proper caster and suspension angles after lift.
Important notes
- This kit is engineered for diesel F-250/F-350 models only. Does NOT fit gas-engine models due to motor weight variances.
- Does NOT fit models equipped with the Tremor Off-Road Package, which include approximately 1.5" of factory lift.
- Does NOT fit dually models.
- Tire clearance up to 35" requires proper wheel backspacing. Consult with Road Runner during fitment.
Why customers pick this at Road Runner
- Geometry corrected during install — sway bar brackets and track bar relocation maintain caster and suspension angles, so your truck handles like it should after the lift.
- Rough Country's Limited Lifetime Warranty backed by local expertise; our technicians service these kits every week.
- Professional alignment performed in-house as part of every lift installation — included and verified before you leave.
- Bolt-on design with no cutting or drilling keeps labor costs down and turnaround fast.
- Heavy-duty tubular radius arms and fabricated blocks engineered to handle diesel torque and real-world work.
Ready to build it? Call (678) 400-6467. Hablamos Español.
| Qty | Part | Part # |
|---|---|---|
| 1 | 2023-2024 Ford F250/F350 Diesel Front 4.5" Coil | 9466 |
| 1 | 4.5 In Block U-Bolt Kit | Ford Super Duty (23-24) | 400130991 |
| 1 | Kit Box | 4.5 -6" Radius Arm Kit | Ford Super Duty (2023) | 400330991 |
| 1 | Radius Arm Pass Upgrade Box | Ford F-250/F-350 Super Duty 4WD (2023-2024) | 43701991A |
| 1 | Radius Arm Dr Upgrade Box | Ford F-250/F-350 Super Duty 4WD (2023-2024) | 43701992A |
| 1 | M1 MONOTUBE SHOCK PAIR | 770818P |
| 1 | M1 MONOTUBE SHOCK PAIR | 770805P |
Features
- Simple Bolt-On Installation: No cutting or drilling required for a hassle-free setup.
- Boosted Ground Clearance: Conquer off-road obstacles with ease and gain a more aggressive stance.
- Front-to-Rear Leveling: Eliminates factory rake for a clean, leveled look and improved balance.
- Tubular Radius Arms: Engineered for strength and performance with a 2" outer diameter design.
- Factory-Mount Compatible: Precision-fit to bolt directly into OEM mounts for hassle-free installation.
- Improved Geometry: Designed to maintain a more factory-like suspension angle.
- Heavy-Duty Construction: Oversized arms offer superior strength compared to stock components.
- Durable Rubber Bushings: Reduce noise and absorb vibrations for a smoother ride.
- Heavy-Duty Fabricated Blocks: Stronger and longer-lasting than standard cast blocks for maximum durability.
- Anti-Axle Wrap Rear Blocks: Maintain factory ride quality while eliminating common lift block issues.
- Configurable Shock Options: Choose from our nitrogen-charged N3 or V2 Monotube shocks, the power to customize your ride is in your hands!
| Years | Make | Model | Drive |
|---|---|---|---|
| 2023-2024 | Ford | F-250 Super Duty Limited | 4WD |
| 2023-2026 | Ford | F-250 Super Duty King Ranch | 4WD |
| 2023-2026 | Ford | F-250 Super Duty Lariat | 4WD |
| 2023-2026 | Ford | F-250 Super Duty Platinum | 4WD |
| 2023-2026 | Ford | F-250 Super Duty XL | 4WD |
| 2023-2026 | Ford | F-250 Super Duty XLT | 4WD |
| 2023-2024 | Ford | F-350 Super Duty Limited | 4WD |
| 2023-2026 | Ford | F-350 Super Duty King Ranch | 4WD |
| 2023-2026 | Ford | F-350 Super Duty Lariat | 4WD |
| 2023-2026 | Ford | F-350 Super Duty Platinum | 4WD |
| 2023-2026 | Ford | F-350 Super Duty XL | 4WD |
| 2023-2026 | Ford | F-350 Super Duty XLT | 4WD |
- Tire size: 33″ to 35″ tall
- Lift height: 4.5″
Due to variances in motor weight, this kit does NOT fit models equipped with a gas engine. Does NOT ft models equipped with Tremor Off-Road Package as they are equipped with approximately a 1.5-inch factory lift. Does NOT fit dually models.
Rough Country Lifetime Replacement Warranty covers all structural components against defects in materials and workmanship for the original purchaser's lifetime ownership of the vehicle.
3-Year Finish Warranty on all painted and powder-coated surfaces.
3-Year Shock Warranty on N3, M1, and Vertex shocks against leakage and structural failure.
Warranty service is handled by Rough Country directly — call (678) 400-6467 if you need help opening a warranty claim and we'll walk you through it.
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