This configuration includes Zone Nitro loaded struts up front — fully assembled and ready to bolt in — paired with Zone Nitro Series rear shocks for balanced performance and straightforward installation. Features nitrogen-charged twin-tube design, 10-stage velocity-sensitive valving, dual-welded ends, self-lubricating seals, and a black powder coat finish.
- Front Lift Method: Strut Replacement
- Front Lift Height: 4"
- Rear Lift Method: Block
- Rear Lift Height: 4"
- Lift Height Range: 4–5.5"
- Shocks Included: Yes
Overview
The Zone Offroad 4-inch Lift Kit for the 2015–2020 Ford F-150 4WD delivers added clearance and everyday practicality, supporting up to 35-inch tires while maintaining solid on-road handling. The lift is built around precision-engineered ductile iron steering knuckles made in the USA, which properly correct suspension geometry at the raised ride height. The kit also includes heavy-duty crossmembers, a differential drop, sway bar drop brackets, a skid plate, rear lift blocks, and new U-bolts for a complete, properly engineered suspension upgrade. Front configuration options allow you to retain factory struts via strut spacers or replace the front struts entirely with Zone Nitro loaded struts. Rear shock options include Zone Nitro or FOX 2.0 Adventure Series shocks. The 4-inch rear blocks retain some factory rake for those who prefer a slightly higher rear stance for hauling or towing.
Features
- High-strength crossmembers to correct lower control arm positioning
- Ductile iron steering knuckles to correct steering geometry and maintain ESC system compatibility
- Top-mounted strut spacers to provide lift and install easily (spacer configurations)
- Fully assembled Zone Nitro loaded struts available for complete front strut replacement (loaded strut configuration)
- Differential skid plate for improved off-road protection
- Rear lift blocks and U-bolts to lift and level the stance
- Sway bar, brake line, and bump stop relocation brackets to correct operating angles
Specifications
- Lift Height: 4 inches front and rear
- Front Lift Method: Cross Member & Strut Spacer (spacer configurations) or Strut Replacement (loaded strut configuration)
- Rear Lift Method: Block
- Shocks Included: Yes (rear shocks included; front loaded struts included in loaded strut configuration)
- Tire Clearance: Up to 35-inch tires
- Steering Knuckles: Ductile iron, made in the USA
Installation
- Estimated Installation Time: 9 hours
- Installation Difficulty: Difficult
Important Notes
- Two-piece rear drive shaft? Add a carrier bearing drop kit to reduce post-lift driveline angles and avoid/eliminate driveshaft vibration.
- 18" wheels should be test fit to ensure proper tie rod end clearance. Wheel profiles can vary between manufacturers.
- Depending on wheel selection, minor trimming may be required to fit tire.
- Stock 17"/18" wheels cannot be reinstalled.
- Stock 20" wheels can be used with up to a 305/60R20 tire.
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