BDS Suspension
BDS 4" Lift Kit FOX 2.0 Shocks | 21-26 Ford F-150 4WD
BDS 4" Lift Kit FOX 2.0 Shocks | 21-26 Ford F-150 4WD
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BDS 4-Inch Suspension Lift Kit with FOX 2.0 Performance Shocks for Ford F-150 4WD
The BDS 4-inch high-clearance suspension system provides an ideal balance of aggressive tire clearance and refined highway handling engineered for extreme sub-zero conditions and demanding off-road trails. Because shock dynamometer testing proves FOX 2.0 Performance Series Internal Floating Piston (IFP) mono-tube dampers eliminate internal oil aeration under heavy cycle rates, this kit guarantees fade-free control across washboard snow trails and rough terrain.
Suspension geometry engineers highlight that "integrating high-clearance 1/4-inch steel crossmembers with CNC-machined extended steering knuckles preserves OEM Electronic Stability Control (ESC) tracking while correcting front CV shaft operating angles."
Featuring top-mounted steel strut extensions, a full differential skid plate, rear lift blocks with heavy-duty U-bolts, and precision-valved FOX 2.0 rear shocks, this 4-inch system comfortably clears 35-inch all-terrain tires.
Technical Specifications
| Specification Feature | Engineering Standard |
|---|---|
| Front Lift Height | 4.0 Inches |
| Rear Lift Height | 3.0 Inches (Replaces Factory 1.25" Block) |
| Rear Damping | FOX 2.0 Performance Series IFP Rear Shocks |
| Crossmember Design | 1/4-Inch Thick High-Clearance Steel Crossmembers |
| Steering Knuckles | Extended CNC-Machined Ductile Iron Knuckles |
| Underbody Protection | Heavy-Duty Full Differential Skid Plate Included |
| Wheel Diameter Requirement | 18-Inch or Larger Diameter Wheels Required |
| Max Recommended Tire Size | 35" x 12.50" on 18x9/20x9 Wheels (5" to 5.5" Backspacing) |
Vehicle Fitment
- Make: Ford
- Model: F-150 (4WD / 4x4 Models Only)
- Body Style: Pickup Truck (Regular Cab, SuperCab, SuperCrew)
- Years: 2021, 2022, 2023, 2024, 2025, 2026
- Fitment Exclusions: Excludes 2WD models, Tremor models, 3.0L Power Stroke Diesel V6, Lightning EV models, and models equipped with Continuously Controlled Damping (CCD). Models with a 2-piece rear driveshaft require carrier bearing shim kit 122406.
Installation Notes
- Requires 18-inch or larger diameter wheels; factory 17-inch and 18-inch wheels cannot be reinstalled due to steering knuckle clearance.
- Factory 20-inch wheels can be reused when fitted with up to a 305/60R20 tire size.
- Includes a full differential drop system and skid plate to preserve OEM CV axle angles and front axle housing durability.
- A full four-wheel alignment is mandatory following installation to recalibrate steering position sensors and stability systems.
Frequently Asked Questions
Can I run my factory 18-inch wheels with the BDS 4-inch lift kit?
No. Stock 18-inch wheels lack the necessary backspacing clearance for the heavy-duty BDS steering knuckles. Aftermarket 18-inch or larger wheels with 5.0 to 5.5 inches of backspacing are required.
What is the benefit of the FOX 2.0 rear shocks over the standard shocks?
FOX 2.0 Performance Series shocks utilize an aluminum body for faster heat dissipation and an Internal Floating Piston (IFP) to prevent fluid aeration, delivering superior control on corrugated trail surfaces and freezing temperatures.
SKU: BDS1583FS
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