Give your Ford Super Duty the stance, capability, and clearance it deserves with the Zone Offroad 7" Radius Arm Lift Kit for 2020–2022 Ford F-250 and F-350 4WD diesel models. This premium suspension system is engineered to deliver outstanding ride quality, improved strength, and proper suspension geometry while allowing room for up to 37" tires. Equipped with Nitro Series shocks, this kit delivers consistent damping performance with a nitrogen-charged, twin-tube design and 10-stage velocity-sensitive valving for smooth control on-road and off-road.
Designed with heavy-duty fabricated radius arms, diesel-specific full-length coil springs, and a precision track bar relocation bracket, the kit provides a dramatic lift without compromising drivability. Backed by Zone Offroad’s Factory Protection Plus program—including a 5-year/60,000-mile drivetrain warranty and a limited lifetime parts warranty—you can upgrade confidently for daily driving, towing, and off-road performance. Whether hauling heavy loads or exploring rugged terrain, this 7” system ensures your Super Duty maintains stability, alignment, and strength with every mile.
Features:
- Heavy-duty radius arms correct caster and increase ground clearance
- Forged pitman arm maintains proper steering angles after lifting
- Track bar bracket recenters axle for stable road and off-road control
- Diesel-specific coil springs deliver smooth ride and proper height
- Nitro Series shocks improve ride control and suspension response
- Nitrogen-charged twin-tube shocks provide consistent damping
- 10-stage valving adapts to terrain and driving conditions
- Rear block and U-bolt kit levels truck and improves towing stance
Specifications:
- Brand: Zone Offroad
- Lift Height: 7 inches
- Vehicle Type: 4WD Diesel Models Only
- Front Lift Method: Full-length coil springs
- Rear Lift Method: Lift block and U-bolts
- Shock Type: Nitro Series
- Shock Design: Nitrogen-charged twin-tube
- Shock Valving: 10-stage velocity-sensitive
- Max Tire Size: Up to 37 x 12.50 with trimming
Included:
- (2) Front Coil Springs diesel-specific high-strength steel
- (2) Radius Arms heavy-duty fabricated steel
- (2) Nitro Series Front Shocks nitrogen-charged twin-tube
- (2) Nitro Series Rear Shocks nitrogen-charged twin-tube
- (1) Track Bar Relocation Bracket reinforced steel
- (1) Forged Pitman Arm high-strength steel
- (1) Rear Lift Block cast steel construction
- (4) Rear U-Bolts black-coated high-strength steel
- (1) Hardware Kit
Fitment:
- 2020–2022 Ford F-250 Super Duty 4WD Diesel
- 2020–2022 Ford F-350 Super Duty 4WD Diesel
Note:
- 5 Year Warranty
- DIESEL MODELS ONLY
- Fits SRW models only
- 37x12.50 tires may require minor trimming.
- 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
- Some trucks with a rear driveline vibration may have a recall from Ford regarding the rear axle. (Safety Recall 21S31) Due to the recall procedure, Zone recommends to have this performed prior to installing the lift