Give your 2020–2021 Ford F-350 Dually the stance, clearance, and capability it deserves with the Zone Offroad 4" Radius Arm Suspension System. This kit lifts and levels your Super Duty, allowing room for 37" tires while enhancing ground clearance with heavy-duty radius arms, full-length diesel-specific coil springs, and precision steering correction components.
Engineered for superior geometry correction and ride quality, the system includes a forged pitman arm, massive ¼" steel track bar relocation bracket, bump stop extensions, and sway bar relocation brackets. FOX 2.0 Adventure Series IFP shocks deliver improved control, stability, and off-road performance, giving your F-350 the strength and comfort needed for towing, hauling, and daily driving.
Features:
- Heavy-duty boxed radius arms correct caster and boost ground clearance
- Forged pitman arm restores steering angles for controlled driving feel
- Track bar drop bracket re-centers axle and improves steering geometry
- Diesel-specific coil springs deliver smooth ride and proper load support
- Sway bar brackets correct bar angle to maintain factory-like handling
- Brake line drops maintain safe routing and proper operating clearance
- Bump stop extensions prevent overtravel and protect suspension parts
- FOX 2.0 IFP shocks enhance control, damping, and off-road stability
Specifications:
- Brand: Zone Offroad
- Front lift height: 4 inches
- Rear lift height: 4 inches
- Front lift method: Coil springs and radius arms
- Rear lift method: Lift block and U-bolt kit
- Shock type: FOX 2.0 Adventure Series IFP
- Shock body diameter: 2.0 inches
- Shock shaft size: 5/8 inch hard chrome
- Drive type: 4WD
- Max tire size: Up to 37 x 12.50
- Vehicle type: DRW diesel models only
Included:
- (2) Front Coil Springs
- (2) FOX 2.0 Adventure Series Front Shocks
- (2) FOX 2.0 Adventure Series Rear Shocks
- (2) Radius Arms
- (1) Dropped Pitman Arm
- (1) Front Track Bar Bracket
- (1) Rear Lift Block
- (4) Rear U-Bolts
- (1) Front Sway Bar Bracket Kit
- (1) Front Brake Line Drop Kit
- (1) Single Steering Stabilizer
- (1) Hardware Kit
Fitment:
- 2020–2021 Ford F-350 6.7L Powerstroke 6.7L DRW 4WD
Notes:
- Dually Models Only
- Diesel Models Only
- 37x12.50 tires may require minor trimming
- Final ride height will be the same as standard models
- Factory wheels fit when paired with factory / original equipment tire size
- Two-piece rear drive shaft? Add a carrier bearing drop kit to reduce post-lift driveline angles and avoid / eliminate
- driveshaft vibration
- When adding the Dual Stabilizer option you will get the dual opposing steering stabilizer in addition to the single OE Replacement