Up the ante in performance with your Chevy Silverado and GMC Sierra 1500 truck by installing the BDS 4-inch lift kit suspension featuring FOX 2.5 Performance Elite coil-over shocks. Designed to improve stance, performance, and capability, this kit includes everything necessary to set your truck up right with clearance for up to 33 inch tires.
These kits feature proprietary FOX 2.5 coil-over shocks designed specifically to bolt-on performance for increase travel and the ability to soak up the roughest terrain along with smooth on-road comfort.
This kit takes advantage of BDS's tried and true high-clearance design for improved ground clearance, strength, and offroad protection while correcting suspension and steering geometry for great on-road handling characteristics.
Up front, the kit utilizes FOX 2.5 Performance Elite coil-over shocks, high-arched 1/4-inch thick steel crossmembers along with a multipiece differential relocation brackets and heavy duty skid plates built for offroad protection.
Steering geometry is corrected at the new taller ride height with CNC-machined ductile iron steering knuckles and replacement tie rod ends allowing for ESC system compatibility.
These combined with the provided sway bar drops, bump stop extensions, brake line brackets, CV spacers, supplied hardware and more provide a comprehensive front suspension lift ready for whatever you throw at it.
In the rear BDS offers a heavy duty lift block to lift and level that stance. The lift block installs in place of the stock block and retains ride quality and load capacity. Also for the rear are new u-bolts, brake line brackets and precision tuned premium FOX 2.0 Performance Series shocks.
FOX Performance Elite
FOX 2.5 Performance Elite shocks offer next level performance for on-road comfort and off-road comfort capability. Tuned and ready to install right out of the box, these bolt-on 2.5-inch diameter shocks are built for abuse and packed with race-proven technology.
They include a remote reservoir for additional fluid capacity to keep your shocks running cool so you can push the limits in the rough terrain. The DSC adjuster adds remarkable versatility and precise tuning with a simple twist of either two adjuster knobs, offering 10 separate low-speed and 12 high-speed compression levels, with a black anodized aluminum reservoir to increase cooling efficiency.
High Clearance Crossmembers
BDS maximizes ground clearance with their heavy duty 1/4-inch thick laser cut perfect fit crossmembers. Paired with a front skid plate system that bolts together to create a rigid subframe while adding extra protection.
Heavy Duty Steering Knuckles
BDS corrects steering geometry at the new taller ride height using a pair of high-strength, CNC machined ductile cast iron steering knuckle design to work with replacement tie rod ends to maintain steering angles for proper function and ESC compatibility.
Features and Benefits
- Fox 2.5 Shocks designed specifically for increased travel and the abilty to soak up the roughest terrain.
- The DSC (dual speed compression) adjuster adds remarkable versatilty and precise tuning with a simple twist of one or both knobs.
- High clearance crossmember design maximizes ground clearance
- Robust steering knuckles maintain ESC system compliance
- HD skid plate system improved offroad protection
- Multipoint differential relocation brackets to secure the front axle and improve CV angles
- FOX performance series IFP gas rear shocks to improved ride and offroad performance
- Factory Protection Plus drivetrain warranty included
Recommended Tires & Wheels
- (Trimming may be required)
- 33 x 12.5 with 17 x 9 and 4.5 in. Backspace
- 33 x 12.5 with 20 x 9 and 5 in. Backspace
- 33 x 12.5 with 20 x 9 and 6.25 in. Backspace
Rear Shock Option
FOX 2.0 Performance Series
- 2-inch Impact extruded aluminum body
- Internal floating piston (IFP) monotube design
- CNC machined 6061-T6 aluminum mounting ends
- Large 5/8-inch hard chrome plated heat-treated alloy steel shaft
- Race-developed high-flow piston design
- Application-specific valving to maximize performance
- Long-lasting clear anodized finish
Notes:
- Will not fit MagneRide / ARC equipped models Factory 17 inch and 18 inch wheels cannot be reinstalled due to tie rod end interference, stock 20 inch wheels can be reinstalled.
- 17 inch Wheels with 4.5 inch 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)
Specs
- Front Lift Method : Cross Member & Coil-Over
- Front Lift Height : 4 inch
- Rear Lift Method : Block
- Rear Lift Height : 3 inch
- Shocks Included : Yes
- Lift Height : 4-5.5 inch
Kit Components
BDS011326 2025 Silverado/Sierra 1500 3 inch Rear Box Kit
BDS021664 2019-2024 Silverado/Sierra 1500 Knuckle Box 1of2 w/UCA (4 inch and 6 inch Compatible)
BDS021665 2019-2024 Silverado/Sierra 1500 Knuckle Box 2of2 w/UCA (4 inch and 6 inch Compatible)
BDS021682 2019-2024 Silverado/Sierra 1500 6 inch Front Box Kit 1of2
BDS021683 2019-2024 Silverado/Sierra 1500 6 inch Front Box Kit 2of2
BDS121633 2019-2024 Silverado/Sierra 1500 Coilover Reservoir Mounting Bracket Kit
FOX88406321 Kit: BDS 2019-2024 GM 1500, 2.5 PES, R/R, Front, C/O, 4 inch Lift, DSC
FOX98224758 Fox 2.0 Shock 27.95 x 17.35 x 2- EB1/EB1
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