Build a properly matched suspension or steering setup with this QA1 spindles. Manufacturer part number 9056-120 is offered in the listed 99-06 Chevrolet Silverado 1500 2WD Lowering Spindle Pair - 2in Drop configuration, so vehicle application, mounting position, dimensions, spring rate, adjustment range, and all notes must be confirmed before ordering.
Key Features
- Exact QA1 part-number configuration for suspension, steering, or fabrication use
- Dimensions, adjustment, spring rate, travel, mounting, and material are part-number specific
- Vehicle and component compatibility must be verified before assembly
- Final alignment, fastener torque, clearance, and operating travel must be checked after installation
Fitment
| Years | Make | Model | Submodel or Application |
|---|---|---|---|
| 1999-2005 | Chevrolet | Silverado 1500 | All listed configurations unless otherwise noted |
| 2004-2006 | Chevrolet | Silverado 1500 | Hybrid |
| 1999-2006 | Chevrolet | Silverado 1500 | LS |
| 1999-2006 | Chevrolet | Silverado 1500 | LT |
| 2003-2006 | Chevrolet | Silverado 1500 | SS |
| 2002-2006 | Chevrolet | Silverado 1500 | WT |
| 2004-2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2002-2005 | GMC | Sierra 1500 | All listed configurations unless otherwise noted |
| 2001 | GMC | Sierra 1500 | C3 |
| 2002-2006 | GMC | Sierra 1500 | Denali |
| 2002 | GMC | Sierra 1500 | HT |
| 2005-2006 | GMC | Sierra 1500 | Hybrid |
| 1999-2003 | GMC | Sierra 1500 | SL |
| 2006 | GMC | Sierra 1500 | SL |
| 1999-2006 | GMC | Sierra 1500 | SLE |
| 1999-2006 | GMC | Sierra 1500 | SLT |
| 2002-2006 | GMC | Sierra 1500 | WT |
Confirm chassis configuration, suspension position, drivetrain clearance, brake package, wheel and tire clearance, and every current QA1 application note.
Specifications
| Brand | QA1 |
|---|---|
| Manufacturer Part Number | 9056-120 |
| Product Type | Spindles |
| Listed Configuration | 99-06 Chevrolet Silverado 1500 2WD Lowering Spindle Pair - 2in Drop |
| Compatibility Basis | Vehicle Specific |
| Condition | New |
What's Included
One new QA1 spindles identified by manufacturer part number 9056-120, with only the components and hardware supplied by QA1 for that exact part number.
About QA1
QA1 develops suspension, steering, driveline, rod-end, bearing, spring, and chassis components for street, performance, racing, restoration, and custom vehicle applications.
Related QA1 Products
- Shop all QA1 products
- QA1 99-06 Chevrolet Silverado 1500 2WD 1-1/2in Front Sway Bar
- QA1 99-06 Chevrolet Silverado 1500 2WD Long Bed Single Adjustable 2-4in Rear Drop Kit
- QA1 99-06 Chevrolet Silverado 1500 2WD Long Bed Double Adjustable 2-4in Rear Drop Kit
Frequently Asked Questions
Will QA1 9056-120 fit my 1999-2005 Chevrolet Silverado 1500?
Match the complete fitment row, then verify mounting position, suspension configuration, drivetrain clearance, brake package, wheel and tire clearance, and every current QA1 note.
What measurements matter when ordering QA1 9056-120?
Verify the dimensions and interfaces named in this listing, including thread size and direction, extended and compressed length, bore, spring dimensions or rate, mounting style, and available clearance as applicable.
Does QA1 9056-120 require setup after installation?
Suspension and steering work commonly requires torque verification, clearance and travel checks, ride-height or damping setup when adjustable, and a professional alignment before road use.
Installation
Follow the current QA1 instructions for this exact part number. Support the vehicle safely, compare every component before disassembly, use the specified hardware and torque values, verify thread engagement and mounting orientation, cycle the suspension through its operating range, check brake and wheel clearance, and complete an alignment when the installation changes suspension or steering geometry.
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