Product Description:
QA1 Lowering Kit – 07-18 Silverado / Sierra 1500
Complete front & rear suspension system designed to lower your truck while improving ride quality and performance.
✔ 1–3” Front (Up to 5” w/ Spindles)
✔ Double Adjustable Shocks
✔ Bolt-In Installation
✔ Made in the USA
Performance & Adjustability
QA1 Pro Coil coilovers provide precise ride height control and improved handling. Double adjustable shocks allow independent tuning of compression and rebound for better street performance or track use.
Ride Height Range
Front: 1–3” drop (up to 3–5” with drop spindles)
Rear: 4–6” drop with ½” incremental adjustment
Heavy-Duty Design
Built for truck use with upgraded shocks, polyurethane bushings, and a 1” chromoly T-bar for durability and load support.
Rear Drop System
Includes heavy-duty shackles and hangers made from powder-coated steel for long-lasting performance without sacrificing ride quality.
Installation
Fully bolt-in design for straightforward installation with no major modifications required.
Warranty
Backed by QA1’s lifetime warranty (registration required).
Fitment Notes
- COMPATIBLE WITH OEM OR AFTERMARKET DROP SPINDLES
- AXLE U-BOLTS NOT INCLUDED
- DOES NOT FIT 1500HD MODEL TRUCKS OR 2007 SILVERADO/SIERRA 1500 CLASSIC
- 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 | 2WD |
| Adjustability | Double Adjustable |
| Includes Drop Spindles | No |
| Prop 65 Warning | Yes |
| Emission Code | 4 |
