SKU: C25350 | UPC: 803696303505
Skyjacker 3.5″ Component Box with Upper Control Arms – 2025 Chevrolet Silverado / GMC Sierra 1500
The Skyjacker 3.5″ Component Box with Upper Control Arms is the complete hardware and bracket package for lifting your 2025 Chevrolet Silverado or GMC Sierra 1500.
This kit contains all the necessary components including replacement upper control arms (UCAs), one-piece top mount strut spacers, a 2-inch rear block and u-bolt kit, and all required mounting hardware to achieve a leveled stance with improved ground clearance and room for larger tires. The UCAs are fabricated from high-strength DOM steel tubing with welded gusset plates for added rigidity.
They feature CNC-machined bushing eyelets, steel-encased OEM-style rubber bushings for quiet ride quality, and greasable ball joints with low-friction bearing technology for increased strength and longevity. Built-in camber correction ensures proper alignment and improved handling. The one-piece strut spacers integrate seamlessly with factory geometry, and the entire system works with the Electric Power Assisted Steering (EPAS). Every component is precision laser-cut, formed, and powder-coated for maximum durability and corrosion resistance.
Key Features
- 3.5″ Lift Components – Complete box with UCAs, strut spacers, rear blocks, and hardware
- Heavy-Duty Upper Control Arms – DOM steel tubing with gusset plates for maximum strength
- Camber Correction – Built-in adjustment for proper alignment on lifted trucks
- Greasable Ball Joints – Low-friction design for longevity and smooth operation
- One-Piece Strut Spacers – Strong tab-and-slot design integrates with factory suspension
- Powder Coat Finish – Durable corrosion protection on all components
| Spec | Detail |
|---|---|
| Part Number | C25350 |
| Brand | Skyjacker |
| Type | 3.5″ Component Box with Upper Control Arms |
| Compatibility | 2025 Chevrolet Silverado 1500 / GMC Sierra 1500 |
| Lift Height | 3.5 inches (with included components) |
| Country of Origin | United States |
| Warranty | Skyjacker Limited Warranty |
Whats Included
- Pair of Replacement Upper Control Arms with Camber Correction
- One-Piece Top Mount Strut Spacers
- 2-inch Rear Block and U-Bolt Kit
- All necessary mounting hardware and brackets
- Installation instructions
Product Notes
- Designed specifically for the 2025 Chevrolet Silverado 1500 and GMC Sierra 1500
- Provides proper alignment and improved handling on lifted trucks
- Works with the factory Electric Power Assisted Steering (EPAS) system
Installation Notes
- Bolt-on system with some minor modifications possible depending on tire size
- Estimated time: 6–10 hours
- Professional installation and wheel alignment are highly recommended
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2025 | Chevrolet | Silverado 1500 | All models – 3.5″ Component Box with UCAs |
| 2025 | GMC | Sierra 1500 | All models – 3.5″ Component Box with UCAs |
Why Choose Skyjacker Lift Components?
- High-strength DOM steel construction with gusset reinforcement
- Precise camber correction and improved suspension geometry
- Durable powder-coated finish for long-term corrosion protection
Frequently Asked Questions
- Q: Does this component box fit my 2025 GMC Sierra 1500?
A: Yes, direct fit for all 2025 Chevrolet Silverado 1500 and GMC Sierra 1500 models. - Q: What lift height does this kit provide?
A: Approximately 3.5 inches when combined with appropriate front and rear components. - Q: Is professional installation recommended?
A: Yes, proper installation and a full wheel alignment are critical for safety and performance.
Shipping & Handling
- Method: Ground UPS or FedEx (oversize shipping may apply)
- Availability: In stock – ships same or next business day
- Packaging: Secure Skyjacker retail packaging
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