QA1 99-06 Chevrolet Silverado Pro Front Coil-Over System - Single Adj. - 10in x 650lbs/in - Aluminum

These QA1 GM Pro Coil Systems are a great option for anyone looking for fully adjustable ride height and valving control. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match and you are on your way. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Specially designed for QA1's Pro Coil Systems, the American-made lightweight high travel springs have fewer coils and a smaller wire diameter, resulting in increased travel due to the larger distance between the coils. They reduce unsprung weight and react faster, optimizing suspension performance. Multiple spring rate options are also available and have been successfully tested in various applications, from casual street driving to hard core race applications. Adjustable Pro Coil System Features: Available in independent compression and rebound double adjustable, simultaneou

Vehicle Fitment

• 1999-2005 Chevrolet Silverado 1500
• 1999-2006 Chevrolet Silverado 1500
• 2002-2006 Chevrolet Silverado 1500
• 2003-2006 Chevrolet Silverado 1500
• 2004-2006 Chevrolet Silverado 1500
• 2004-2005 Chevrolet Silverado 1500
• 2005 Chevrolet Silverado 1500
• 1999-2003 GMC Sierra 1500
• 1999-2004 GMC Sierra 1500
• 1999-2006 GMC Sierra 1500
• 2001 GMC Sierra 1500
• 2002-2005 GMC Sierra 1500
• 2002-2006 GMC Sierra 1500
• 2002 GMC Sierra 1500
• 2004 GMC Sierra 1500
• 2004-2006 GMC Sierra 1500
• 2005-2006 GMC Sierra 1500
• 2006 GMC Sierra 1500

Please verify exact fitment for your trim and engine before ordering.

Manufacturer Part Number: GS517-10650C

Images are for illustrative purposes only. Actual product may vary.

⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.