This configuration pairs the front FOX 2.5 Performance Elite coil-overs with matching FOX 2.5 Performance Elite rear shocks. The rear FOX 2.5 Performance Elite shocks feature a 2.5-inch impact extruded aluminum body, a massive 7/8-inch hard chrome plated heat-treated alloy steel shaft, an external reservoir that separates shock oil from high-pressure nitrogen, and a standard DSC (Dual Speed Compression) Adjuster offering 10 low-speed and 12 high-speed compression levels. Fully serviceable and backed by a 1-year manufacturer's warranty.
Overview
The BDS 4-inch lift kit for the 2019–2024 Chevy Silverado 1500 and GMC Sierra 1500 (4WD, Gas) is engineered to improve stance, performance, and off-road capability while providing clearance for up to 33-inch tires. The kit features FOX 2.5 Performance Elite coil-over shocks up front, a high-clearance crossmember design, CNC-machined ductile iron steering knuckles, and a comprehensive collection of hardware to properly correct suspension and steering geometry at the new ride height. In the rear, a heavy-duty lift block replaces the factory block to lift and level the stance while retaining ride quality and load capacity.
Features
- FOX 2.5 Performance Elite series coil-overs with DSC Adjuster for improved ride quality, performance, and capability
- High-clearance crossmember design maximizes ground clearance
- Robust CNC-machined ductile cast iron steering knuckles maintain ESC system compliance
- High-strength replacement upper control arms provide durability and serviceability
- HD skid plate system for improved off-road protection
- Multipoint differential relocation brackets to secure the front axle and improve CV angles
- Replacement tie rod ends to maintain steering angles at the new ride height
- Sway bar drops, bump stop extensions, brake line brackets, and CV spacers included
- Heavy-duty rear lift block with new u-bolts and brake line brackets
- Factory Protection Plus drivetrain warranty included
Specifications
- Lift Height: 4 inches
- Tire Clearance: Up to 33 inches
- Crossmember thickness: 1/4-inch thick laser-cut steel, high-arched design
- Steering knuckles: CNC-machined ductile cast iron
- FOX 2.5 Performance Elite coil-over body: 2.5-inch impact extruded aluminum
- FOX 2.5 shaft: 7/8-inch hard chrome plated, heat-treated alloy steel
- FOX 2.5 reservoir: External, separates shock oil from high-pressure nitrogen
- DSC Adjuster: 10 low-speed and 12 high-speed compression levels
- FOX 2.5 finish: Black anodized aluminum reservoir
- FOX 2.0 body: 2-inch impact extruded aluminum, IFP monotube design
- FOX 2.0 shaft: 5/8-inch hard chrome plated, heat-treated alloy steel
- FOX 2.0 mounting ends: CNC machined 6061-T6 aluminum
- Both shock options: Fully serviceable; 1-year manufacturer's warranty
Installation
- Estimated Time: 8 hours
- Difficulty: Difficult
- Tools Required: 36mm Socket, Cut Off Wheel or Equivalent, Ball Joint Separation Tool, Reciprocating Saw, Welding Equipment
Important Notes
- Requires frame bracket modification.
- Will not fit MagneRide / ARC equipped models.
- Factory 17" and 18" wheels cannot be reinstalled due to tie rod end interference; stock 20" wheels can be reinstalled.
- 17" wheels with 4.5" backspacing should be test fit prior to mounting the tire to ensure proper clearance to the steering knuckle / tie rod.
- All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper. Some wheel profiles will not clear the brake caliper. These can be test fitted before the vehicle is lifted in a stock condition.
- Will NOT work with TrailBoss or AT4 models.
- 2.7L models use Diesel kit for proper skid plate fitment.
- This kit has not been test fit on Silverado ZR2 or Sierra AT4X models.
- If equipped with a mono-leaf rear spring, please use part #UBT4064 (Qty. 4 required).
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