Product Description:
QA1 2-3” Lowering Kit – 4WD Silverado / Sierra 1500
Complete front and rear suspension system designed to provide a mild drop while improving ride quality and overall driving comfort on 4WD trucks.
✔ Single Adjustable Shocks
✔ Designed for 4WD Trucks
✔ No Spindles Required
✔ Bolt-In Installation
Performance & Ride Quality
QA1 Pro Coil coilovers improve ride quality and allow adjustment of rebound to fine-tune comfort and handling for everyday driving.
Ride Height Range
Front: 1–3” drop
Rear: 2–3” drop
Heavy-Duty Design
Built specifically for truck applications with upgraded shocks, polyurethane bushings, and durable components designed for daily use.
Rear Drop System
Includes rear drop components designed to maintain ride quality while achieving a clean, level stance.
Installation
Fully bolt-in system designed for straightforward installation with no major modifications required.
Warranty
Backed by QA1’s lifetime warranty (registration required).
Fitment Notes
- Fits 2007–2018 Silverado / Sierra 1500 (2WD)
- No drop spindles required or included
- Axle U-bolts not included
- Does NOT fit 1500HD or 2007 Classic models
- Offset upper control arm bushings (AcDelco PN 45K0201) may be required on vehicles lowered more the 2.5” to align within the factory specifications.
Specifications
| Kit Type | Lowering Kit |
| Drivetrain | 4WD |
| Shock Valving | Single Adjustable |
| Includes Drop Spindles | No |
| Emission Code | 4 |
| Prop 65 Warning | Yes |