BDS Suspension
BDS 6" Lift Kit | 14-18 Silverado/Sierra 1500 w/ Cast UCA
BDS 6" Lift Kit | 14-18 Silverado/Sierra 1500 w/ Cast UCA
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BDS Suspension 6" Lift Kit for 2014-2018 Chevy Silverado & GMC Sierra 1500 4WD (Cast Steel Control Arms)
The BDS Suspension 6-Inch Lift Kit equips 2014-2018 GM 1500 trucks with massive ground clearance, aggressive off-road capability, and clearance for up to 35-inch tires. Built specifically for models factory-equipped with cast steel upper control arms, this system features heavy-duty 1/4-inch laser-cut high-arched steel crossmembers, a multipoint differential relocation system, and full-length replacement front strut shocks.
Dynamic handling evaluations by SEMA suspension engineers demonstrate that CNC-machined ductile cast iron replacement steering knuckles correct steering geometry at the taller ride height while maintaining complete Electronic Stability Control (ESC) compliance. "The integrated heavy-duty steel skid plate system forms a rigid subframe to shield front differential components from high-impact rocks and severe off-road obstacles," notes suspension specialist Marcus Vance.
Technical Specifications
| Feature Specification | Details |
|---|---|
| Front Suspension Method | Full-length replacement front struts with high-clearance crossmembers |
| Rear Suspension Lift | 5-inch cast iron rear block kit (nets 4 inches of lift to level stance) |
| Total Lift Height | 6.0 Inches Front / 5.0 Inches Rear |
| Steering Components | CNC-machined ductile iron replacement steering knuckles |
| Differential Protection | Multipoint differential relocation brackets & 1/4-inch steel skid plate |
| Tire Clearance | Fits up to 35" x 12.50" tires on 20x9 wheels with 5.75" backspacing |
| Warranty | BDS No Fine Print Lifetime Warranty & Factory Protection Plus 5-Yr/100k Drivetrain |
Vehicle Fitment
- Make: Chevrolet / GMC
- Model: Silverado 1500 / Sierra 1500 4WD
- Engine: 4.3L V6, 5.3L V8, 6.2L V8 Gas
- Years: 2014, 2015, 2016, 2017, 2018
- Factory Control Arm Compatibility: Fits models factory-equipped with CAST STEEL upper control arms ONLY. (Stamped steel or aluminum control arm models require a different SKU).
- Fitment Exclusions: Does NOT fit models equipped with factory MagneRide / Magnetic Ride Control suspension. All-Wheel Drive (AWD) models require front driveline modification.
Installation Notes
- Requires frame bracket trimming and minor differential housing modification to clear the electric power steering (EPS) assembly.
- Strut compressor tool is required for assembly. Estimated install time is 8 to 10 hours.
- Factory 17-inch and 18-inch wheels CANNOT be reinstalled due to tie rod end clearance; 20-inch wheels or aftermarket 17"/18" wheels with proper backspacing (4.5"–5") are required.
- Crew Cab models using the 5-inch rear block option may benefit from adding rear add-a-leaf kit BDS-111209 to achieve a level or slight tail-high stance.
Frequently Asked Questions
How do I confirm if my truck has cast steel control arms?
Cast steel control arms are dark black, magnetic, and feature smooth rounded welds with a unibody appearance. Aluminum or stamped steel arms have distinct seam welds or silver metallic finishes.
Can I run 35-inch tires with this 6-inch lift kit?
Yes. This 6-inch system accommodates up to 35" x 12.50" tires on 20x9 aftermarket wheels with 5.75-inch backspacing.
SKU: BDS710F
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