Rear lift is achieved via replacement leaf springs with a multi-leaf progressive design, anti-friction pads for a smooth and quiet ride, and factory payload weight rating retention. Shocks included: FOX 2.5 Performance Elite — featuring a 2.5-inch impact extruded aluminum body, massive 7/8-inch hard chrome plated heat-treated alloy steel shaft, external reservoir design that separates shock oil from high-pressure nitrogen, DSC Dual Speed Compression Adjuster standard, application-specific valving, fully serviceable construction, and increased off-road capabilities.
Overview
This 4-inch radius arm lift kit from BDS Suspension is designed for 2017–2019 Ford F250 and F350 Super Duty diesel trucks, improving stance, performance, and capability with clearance for up to 37-inch tires. Up front, the kit includes diesel-specific Pro-Ride coil springs, heavy-duty tubular replacement radius arms, a forged drop pitman arm, track bar bracket for steering correction, sway bar relocation hardware, brake line brackets, and precision-tuned nitrogen-charged shocks. At the rear, the kit utilizes either a high-strength fabricated lift block or replacement leaf springs (depending on configuration), longer U-bolts, brake line brackets, and a matched set of shocks.
Features
- Easy, 100% bolt-on installation
- Pro-Ride dual rate coil springs provide a smooth, predictable ride across various terrains
- Heavy-duty tubular steel radius arms correct caster while maximizing ground clearance
- Track bar relocation bracket and pitman arm maintain proper steering angles for improved handling
- Fabricated steel blocks provide a level stance from front to rear (block option)
- Standard NX2 Nitro shocks with vehicle-specific valving for better control (where selected)
- FOX 2.0 Performance Series shocks available for enhanced on- and off-road performance (where selected)
- FOX 2.5 Performance Elite shocks available for maximum performance (where selected)
Specifications
- Lift Height: 4 inches (front); 5 inches (rear block option)
- Tire Clearance: Up to 37 inches
- Radius Arms: High-strength tubular steel with caster adjustment and OE-style rubber bushing at frame mount
- Coil Springs: Full-length, diesel-specific Pro-Ride dual rate design
- Steering Correction: Forged drop pitman arm and heavy-duty track bar drop bracket
- Rear Block: High-strength fabricated steel; fits 2 and 3 leaf main spring packs
- Rear Leaf Springs (where selected): Multi-leaf progressive design; anti-friction pads; maintains factory payload weight ratings; reduces axle wrap
- Includes: Sway bar relocation hardware, brake line brackets, longer U-bolts
- Fits: SRW (Single Rear Wheel) models only
Installation
- Estimated Time: 4.5 hours
- Difficulty: Moderate
- Special Tools Required: Cut-off Tool, Pitman Arm Puller
Important Notes
- If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (BDS123402).
- 37 x 12.50 tires may require minor trimming.
- Block kit option fits both 2 and 3 leaf main trucks.
- Fits SRW models only.
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