Overview
Improve the appearance and performance of your Chevy Silverado 1500 ZR2 and GMC Sierra 1500 AT4X trucks with a 4-inch suspension lift kit from BDS Suspension. Designed to improve stance, performance, and capability, this kit includes everything necessary to set your vehicle up with clearance for up to 35–37" tires. The kit leverages BDS's high-clearance design for enhanced ground clearance, strength, and off-road protection, while correcting suspension and steering geometry for improved on-road handling.
Up front, the kit utilizes top-mounted strut spacers, high-arched 1/4-inch-thick steel crossmembers, a multi-piece differential relocation bracket, and heavy-duty skid plates. Steering geometry is corrected with CNC-machined ductile iron steering knuckles and replacement tie rod ends, maintaining ESC system compatibility. Sway bar drops, bump stop extensions, brake line brackets, and all required hardware are included. In the rear, a heavy-duty lift block installs in place of the stock block, retaining ride quality and load capacity. New U-bolts and shock relocation brackets ensure the Multimatic shock system operates without error.
Features
- Maintains factory Multimatic shock system
- High-clearance crossmember design maximizes ground clearance
- Robust CNC-machined ductile 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
- Multi-point differential relocation brackets to secure the front axle and improve CV angles
- Factory Protection Plus drivetrain warranty included
Specifications
- Lift Height: 4–5.5"
- Front Lift Method: Cross-Member
- Front Lift Height: 4"
- Rear Lift Method: Block
- Rear Lift Height: 3"
- Shocks Included: No
Installation
- Estimated Installation Time: 7–9 hours
- Installation Difficulty: Moderate
Important Notes
- Requires frame bracket modification
- Designed to fit ZR2 or AT4X trucks only equipped with Multimatic shocks
- Factory 17" and 18" wheels cannot be reinstalled due to tie rod interference; stock 20" wheels can be reinstalled
- All aftermarket wheels should be test fit prior to mounting the tire to ensure clearance to brake caliper
- Some wheel profiles will not clear the brake caliper — this can be test fit before the vehicle is lifted while still in stock condition
- Front skid plate will not work with 2.7L Turbo Diesel Engines
- If equipped with a mono-leaf rear spring, please use part #UBT4064
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