BDS Suspension
BDS 4" Fox 2.5 Lift Kit | 19-24 Silverado/Sierra 1500 4WD
BDS 4" Fox 2.5 Lift Kit | 19-24 Silverado/Sierra 1500 4WD
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BDS Suspension 4" Lift Kit with FOX 2.5 Performance Elite Coilovers for Chevy Silverado & GMC Sierra 1500 4WD
The BDS Suspension 4-Inch Lift Kit with FOX 2.5 Performance Elite Series Coilovers delivers high-speed off-road performance, maximum ground clearance, and precision damping for late-model GM 1500 trucks. Engineered around race-proven FOX 2.5 remote reservoir coilovers featuring Dual Speed Compression (DSC) adjusters, this kit allows drivers to independently fine-tune high-speed and low-speed compression damping for aggressive trail riding or smooth highway cruising.
According to dynamic chassis testing by SEMA suspension engineers, high-clearance crossmembers paired with multipoint differential drops optimize CV axle geometry and preserve factory Electronic Stability Control (ESC) system parameters. "The CNC-machined ductile iron knuckles and heavy-duty tubular upper control arms ensure structural rigidity and proper ball joint operating angles under severe cold-weather impact loads," notes suspension specialist Marcus Vance.
Technical Specifications
| Feature Specification | Details |
|---|---|
| Front Suspension | FOX 2.5 Performance Elite Coilovers with DSC Reservoir Adjusters |
| Rear Suspension | FOX 2.0 Performance Series IFP Shocks with rear lift blocks |
| Lift Height | 4.0 Inches front and rear suspension elevation |
| Crossmembers & Protection | 1/4-inch high-clearance steel crossmembers with heavy-duty skid plate |
| Upper Control Arms | Heavy-duty tubular steel UCAs with indexed ball joint cups |
| Differential Drop | Multipoint differential relocation brackets for optimized CV angles |
| 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
- Engines: 4.3L V6, 5.3L V8, 6.2L V8 Gas
- Years: 2019, 2020, 2021, 2022, 2023, 2024
- Fitment Exclusions: Does NOT fit Trail Boss, AT4, AT4X, ZR2, or Denali models with MagneRide / ARC suspension. Does NOT fit 2WD models. 2.7L Turbo models must use the Diesel-specific kit (BDS1802FPE) for correct skid plate clearance.
Installation Notes
- Requires frame bracket trimming and differential modification during installation.
- Factory 17-inch and 18-inch wheels CANNOT be reinstalled due to tie rod end clearance; factory 20-inch wheels or aftermarket wheels with 4.5-inch backspacing are required.
- If equipped with factory rear mono-leaf springs, order quantity 4 of U-bolt part number BDS-UBT4064.
Frequently Asked Questions
What are the benefits of the FOX 2.5 DSC Adjusters?
The DSC (Dual Speed Compression) adjusters allow you to quickly adjust both low-speed (cornering, braking) and high-speed (rough terrain, jumps) compression damping with a turn of a dial.
Can I run my factory 18-inch wheels with this 4-inch lift kit?
No. Stock 17-inch and 18-inch wheels interfere with the high-clearance replacement steering knuckles. You must use stock 20-inch wheels or appropriate aftermarket wheels.
SKU: BDS1800FPE
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