Rear lift is provided by 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 are NX2 Nitro Series, featuring a nitrogen-charged twin-tube design, 10-stage velocity-sensitive valving, 1-3/8-inch high-flow piston, dual-welded ends, self-lubricating seals, and a silver powder coat finish.
Overview
This 4-inch radius arm lift kit from BDS Suspension is designed for 2017–2019 Ford F250 and F350 Super Duty gas-powered 4WD trucks (SRW models only). The kit improves stance, performance, and capability while providing clearance for tires up to 37 inches. Up front, it includes gasoline-specific Pro-Ride coil springs, heavy-duty tubular replacement radius arms, a forged drop pitman arm, a track bar bracket for steering correction, sway bar relocation hardware, brake line brackets, and precision-tuned nitrogen charged shocks. The rear configuration is available with either a high-strength fabricated lift block or replacement leaf springs, along with 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 fits both 2 and 3 leaf main trucks)
- Standard NX2 Nitro shocks with vehicle-specific valving for better control
- Optional upgrade to FOX 2.0 Performance Series or FOX 2.5 Performance Elite shocks for increased performance on and off-road
Specifications
- Lift Height: 4 inches (front); rear lift varies by configuration (5-inch block or leaf spring option)
- Tire Clearance: Up to 37 inches
- Radius Arms: High-strength tubular steel with caster adjustment; OE-style rubber bushing at frame mount
- Coil Springs: Full-length, gasoline-specific Pro-Ride dual rate design
- Steering Correction: Forged drop pitman arm and heavy-duty track bar drop bracket
- Rear Block Option: High-strength fabricated steel lift block with longer u-bolts; fits 2 and 3 leaf main spring packs
- Rear Leaf Spring Option: Multi-leaf progressive design; maintains factory payload weight ratings; anti-friction pads for smooth, quiet ride; reduces axle wrap for a controlled and stable feel
- Fitment: SRW (Single Rear Wheel) models only
Installation
- Estimated Time: 4–5 hours
- Difficulty: Moderate
- Special Tools Required: Torque Wrench, Pitman Arm Puller
Important Notes
- Front exhaust modification may be required to clear the front drive shaft.
- 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 will fit both 2 and 3 leaf main trucks.
- Fits SRW models only.
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