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

Front Pro Coil single adjustable stock mount shock kit. Compressed length of 9.63" and extended length of 14.5". Includes 10" spring with rating of 650 for use on 99-06 Silverados/Sierras. 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, simultaneous compression and rebound adjustable, or drag "R" Series adjustable, Lightweight Billet Aluminum Coil-Over Shocks, High Travel Springs, Easy, Bolt-In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized, Serviceable and Rebuildable by QA1 Authorized Service Centers, Made in the USA, Used in drag racing, street performance, autocross, road racing and street rod applications, Sold in Pairs, Non-Adjustable Pro Coil System Features: Steel, Stock Appearing Coil-Over Shocks, High Travel Springs, Easy, Bolt-In Installation, Ride Height Adjustable, Used in drag racing, street performance, autocross, road racing and street rod applications, Sold in Pairs

• Achieve the ultimate balance of ride quality and performance with simultanious adjustment of rebound and compression valving.
• Easy bolt-in installation that works with your factory or upgraded QA1 tubular control arms.
• Up to 2 of ride height adjustment allows you to dial in the perfect stance.
• Limited Lifetime Warranty for peace of mind.
• Proudly made in the USA

The QA1 Part Number qapGS517-10650C is a premium front coil-over shock kit designed specifically for 1999-2006 Chevrolet Silverado 1500 trucks. These fully adjustable coil-over shocks feature a threaded body that allows you to fine-tune ride height and handling characteristics to match your driving style. Each shock includes a 10-inch spring rated at 650 pounds per inch, providing a balance of support and comfort for street performance, autocross, and drag racing applications. Easy bolt-in installation makes upgrading your vehicle straightforward, whether you're replacing factory components or enhancing your existing suspension setup.
These shocks incorporate high-quality billet aluminum construction for lightweight durability and high travel springs with fewer coils and a smaller wire diameter, which results in increased suspension travel and faster reaction times. The adjustable valving system enables independent tuning of compression and rebound, giving you full control over ride quality and handling dynamics. With features like ride height adjustment up to 2 inches, you can achieve the perfect stance for aesthetics or handling performance. All QA1 shocks undergo 100% dyno testing and are serialized for quality assurance, and they are serviceable and rebuildable at authorized centers. Made proudly in the USA, these coil-overs are suitable for street performance, autocross, road racing, and street rod builds.
Designed to work with factory or upgraded control arms, the QA1 Pro Coil System provides a significant upgrade over stock suspensions. Its high travel springs enhance suspension response, reduce unsprung weight, and improve overall vehicle stability. Whether maintaining a comfortable daily driver or preparing for competitive racing, these coil-overs offer versatile performance enhancements. The comprehensive package includes a pair of shocks, making it an ideal upgrade for Silverado owners seeking improved handling and ride quality.
Features include adjustable rebound and compression damping, easy bolt-in installation, ride height customization, and the durability of American-made craftsmanship. Backed by a limited lifetime warranty, this system ensures long-term performance and reliability for your Silverado.

Features:

• Achieve optimal ride quality and performance with simultaneous rebound and compression valving adjustment

• Easy bolt-in installation compatible with factory or upgraded control arms

• Up to 2 inches of ride height adjustment for a customized stance

• Lightweight high travel springs with fewer coils for increased suspension travel

• Made in the USA with 100% dyno-tested components and serialized quality control

• Suitable for street performance, autocross, drag racing, and street rod applications

• Serviceable and rebuildable at authorized QA1 centers

• Designed specifically for 1999-2006 Chevrolet Silverado 1500 trucks

Fitment:
Chevrolet Silverado 1500 Base 1999
Chevrolet Silverado 1500 Base 2000
Chevrolet Silverado 1500 Base 2001
Chevrolet Silverado 1500 Base 2002
Chevrolet Silverado 1500 Base 2003
Chevrolet Silverado 1500 Base 2004
Chevrolet Silverado 1500 Base 2005
Chevrolet Silverado 1500 Hybrid 2004
Chevrolet Silverado 1500 Hybrid 2005
Chevrolet Silverado 1500 Hybrid 2006
Chevrolet Silverado 1500 LS 1999
Chevrolet Silverado 1500 LS 2000
Chevrolet Silverado 1500 LS 2001
Chevrolet Silverado 1500 LS 2002
Chevrolet Silverado 1500 LS 2003
Chevrolet Silverado 1500 LS 2004
Chevrolet Silverado 1500 LS 2005
Chevrolet Silverado 1500 LS 2006
Chevrolet Silverado 1500 LT 1999
Chevrolet Silverado 1500 LT 2000
Chevrolet Silverado 1500 LT 2001
Chevrolet Silverado 1500 LT 2002
Chevrolet Silverado 1500 LT 2003
Chevrolet Silverado 1500 LT 2004
Chevrolet Silverado 1500 LT 2005
Chevrolet Silverado 1500 LT 2006
Chevrolet Silverado 1500 SS 2003
Chevrolet Silverado 1500 SS 2004
Chevrolet Silverado 1500 SS 2005
Chevrolet Silverado 1500 SS 2006
Chevrolet Silverado 1500 WT 2002
Chevrolet Silverado 1500 WT 2003
Chevrolet Silverado 1500 WT 2004
Chevrolet Silverado 1500 WT 2005
Chevrolet Silverado 1500 WT 2006
Chevrolet Silverado 1500 Z71 2004
Chevrolet Silverado 1500 Z71 Off-Road 2005
GMC Sierra 1500 Base 2002
GMC Sierra 1500 Base 2003
GMC Sierra 1500 Base 2004
GMC Sierra 1500 Base 2005
GMC Sierra 1500 C3 2001
GMC Sierra 1500 Denali 2002
GMC Sierra 1500 Denali 2003
GMC Sierra 1500 Denali 2004
GMC Sierra 1500 Denali 2005
GMC Sierra 1500 Denali 2006
GMC Sierra 1500 HT 2002
GMC Sierra 1500 Hybrid 2005
GMC Sierra 1500 Hybrid 2006
GMC Sierra 1500 SL 1999
GMC Sierra 1500 SL 2000
GMC Sierra 1500 SL 2001
GMC Sierra 1500 SL 2002
GMC Sierra 1500 SL 2003
GMC Sierra 1500 SL 2006
GMC Sierra 1500 SLE 1999
GMC Sierra 1500 SLE 2000
GMC Sierra 1500 SLE 2001
GMC Sierra 1500 SLE 2002
GMC Sierra 1500 SLE 2003
GMC Sierra 1500 SLE 2004
GMC Sierra 1500 SLE 2005
GMC Sierra 1500 SLE 2006
GMC Sierra 1500 SLT 1999
GMC Sierra 1500 SLT 2000
GMC Sierra 1500 SLT 2001
GMC Sierra 1500 SLT 2002
GMC Sierra 1500 SLT 2003
GMC Sierra 1500 SLT 2004
GMC Sierra 1500 SLT 2005
GMC Sierra 1500 SLT 2006
GMC Sierra 1500 WT 2002
GMC Sierra 1500 WT 2003
GMC Sierra 1500 WT 2004
GMC Sierra 1500 WT 2005
GMC Sierra 1500 WT 2006