This variant includes a 5-inch fabricated steel rear lift block sized for trucks with a 3-leaf main rear leaf spring pack. Rear shock performance is provided by FOX 2.5 Performance Elite shocks featuring a 2.5-inch impact extruded aluminum body, a massive 7/8-inch hard chrome plated heat-treated alloy steel shaft, an external reservoir design that separates shock oil from high-pressure nitrogen, a standard DSC (Dual Speed Compression) adjuster, and full serviceability for a lifetime of use. Backed by a 1-year Manufacturer's Warranty.
Overview
This 6-inch 4-Link lift kit with FOX 2.5 Performance Elite coil-over conversion from BDS Suspension is engineered for 2017–2019 Ford F250 and F350 Super Duty diesel trucks (4WD, SRW). The kit provides improved stance, suspension geometry, and capability, with clearance for tires up to 38 inches. Up front, the kit includes FOX 2.5 coil-over shocks and mounting brackets, a 4-Link control arm conversion, a forged drop pitman arm, a track bar bracket for steering correction, sway bar relocation hardware, and brake line brackets. A transfer case indexing ring with ARP studs and a new high-clearance transmission crossmember are also supplied to allow use of the factory front driveshaft at this lift height. At the rear, the kit uses a high-strength fabricated lift block, longer U-bolts, and brake line brackets, along with a matched set of FOX rear shocks (option-dependent).
Features
- FOX 2.5 coil-over mounts in the factory coil bucket location
- Adds an additional secondary FOX 2.0 shock for maximum performance
- Eibach coil springs for smooth ride through rough terrain
- Heavy-duty tubular steel radius arms that 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
- FOX shocks are fully serviceable and resistant to corrosion and harsh environments
- 4-Link control arm conversion using high-strength 1/4-inch steel brackets for HD upper and lower control arms to correct axle positioning and limit caster change throughout wheel travel
- Transfer case indexing ring with ARP studs clocks the transfer case and improves front driveline operating angle
- High-clearance transmission crossmember provides sufficient clearance at this lift height
Specifications
- Lift Height: 6 inches (front), 5 inches (rear block)
- Maximum tire clearance: up to 38 inches
- FOX 2.5 coil-over: 2.5-inch impact extruded aluminum body, 7/8-inch hard chrome plated heat-treated alloy steel shaft, external reservoir, DSC (Dual Speed Compression) adjuster (10 low-speed / 12 high-speed compression levels), black anodized aluminum reservoir
- FOX 2.0 Performance Series: 2-inch impact extruded aluminum body, IFP monotube design, CNC machined 6061-T6 aluminum mounting ends, 5/8-inch hard chrome plated heat-treated alloy steel shaft, race-developed high-flow piston, application-specific valving, clear anodized finish
- Rear lift: 5-inch fabricated steel block (2-leaf or 3-leaf main configuration — select appropriate option)
- Fits: 2017–2019 Ford F250/F350 Super Duty 4WD Diesel, SRW models only
Installation
- Estimated Time: 10 hours
- Difficulty: Difficult
- Tools Required: 30mm Socket, 40mm Socket, Drill / Bit Set, Pitman Arm Puller
Important Notes
- If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (pn# 123402).
- 38 x 13.50 tires may require minor trimming.
- Some models may be factory equipped with a 2-leaf main rear leaf spring pack and others a 3-leaf main. Be sure to order the correct option when customizing your kit.
- The transfer case indexing ring will not fit 6.2L vehicles equipped with the 6R100 transmission.
- If your truck is equipped with a factory rear sway bar, add rear sway bar links (pn# 123808).
- The indexing ring is not designed for manual shift transfer case models. Modification of the shift cable mount will be required.
- Fits SRW models only.
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