The QA1 2 inch drop spindle pair lowers the front of 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 2WD trucks while preserving suspension travel and steering geometry. Because the drop happens at the spindle instead of the spring, the factory ride quality and alignment are kept intact. The spindles work with OEM control arms or QA1 tubular upper and lower arms and pair with QA1 coil-overs for a complete front suspension setup.
Specifications:
- Type: Front drop spindle, sold as a pair
- Drop: 2 inch
- Drivetrain: 2WD coil spring front suspension
- Compatible with factory or QA1 tubular control arms
- Requires 17 inch wheels or larger
- Not compatible with torsion bar front suspension
- Part number: 9056-120
Vehicle Applications:
- 1999 Chevrolet Silverado 1500
- 2000 Chevrolet Silverado 1500
- 2001 Chevrolet Silverado 1500
- 2002 Chevrolet Silverado 1500
- 2003 Chevrolet Silverado 1500
- 2004 Chevrolet Silverado 1500
- 2005 Chevrolet Silverado 1500
- 2006 Chevrolet Silverado 1500
- 1999 GMC Sierra 1500
- 2000 GMC Sierra 1500
- 2001 GMC Sierra 1500
- 2002 GMC Sierra 1500
- 2003 GMC Sierra 1500
- 2004 GMC Sierra 1500
- 2005 GMC Sierra 1500
- 2006 GMC Sierra 1500
FAQ
How much drop do the QA1 9056-120 spindles provide?
They provide a 2 inch front drop by lowering the truck at the spindle rather than the spring, which keeps suspension travel and steering geometry intact.
What trucks do the 9056-120 spindles fit?
They fit 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500 2WD trucks with coil spring front suspension. The full model list appears in the vehicle applications section above.
Do these spindles work with factory control arms?
Yes. They are engineered to work with OEM control arms or QA1 tubular upper and lower arms.
Are there wheel or suspension requirements?
They require 17 inch wheels or larger and are not compatible with trucks originally equipped with torsion bar front suspension.
Are the spindles sold as a pair?
Yes. Part number 9056-120 is a pair of drop spindles.
