Zone Offroad ZONF70N 6" Radius Arm Suspension Lift Kit for Gas Engines

The Zone Offroad ZONF70N is a 6-inch radius arm suspension lift system designed for gas-powered Ford F-350 Super Duty 4WD DRW (dually) trucks. Built on the proven platform of Zone's long-running Super Duty lift kits and updated specifically for DRW applications, this kit corrects suspension geometry and steering angles while delivering the ride quality and ground clearance needed for serious on- and off-road use. The system accommodates tires up to 37x12.5 inches and is compatible with 18x9 and 20x9 wheels with 4.5-inch backspacing. All steel components feature a durable powdercoat finish.

Key Features:

• High-strength replacement radius arms correct suspension geometry and provide clearance for tires up to 37x12.5"
• Forged pitman arm corrects steering angles to match the lifted suspension
• Heavy-duty fabricated track bar relocation bracket re-centers the front axle
• Full-length gas-specific coil springs engineered for a smooth ride
• 6" front lift height via coil springs; 5" rear lift height via block kit
• Steel construction with powdercoat finish
• No cutting or welding required; installation rated 3 out of 5 difficulty, estimated 4–6 hours with standard wrenches
• Backed by Zone Offroad's Factory Protection Plus program: 5-year/60,000-mile drivetrain warranty plus Zone's limited lifetime warranty

This suspension lift system fits select 2020–2021 Ford F-350 Super Duty models. California residents: this product is subject to Proposition 65 warnings for cancer and reproductive harm — see P65Warnings.ca.gov for details.