QA1 GM Pro Front Coil-Over System - Single Adj. - 9in x 450lbs/in - Pigtail Large - Aluminum

These QA1 GM Pro Coil Systems are available for 1958-1970 Impalas and Full Size GM vehicles, including Full Size Chevy, Buick, Oldsmobile and Pontiac models, and 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. Front Pro Coil single adjustable stock mount shock kit. Compressed length of 9.63" and extended length of 14.5". Includes 9" spring with rating of 450.

• 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

Upgrade your classic or full-size GM vehicle with the QA1 GM Pro Front Coil-Over System, designed specifically for 1958-1970 Impalas and a range of full-size Chevy, Buick, Oldsmobile, and Pontiac models. This high-performance coil-over kit features fully adjustable ride height and valving, allowing you to fine-tune your suspension setup for optimal handling and comfort. The system includes lightweight, high travel springs with fewer coils and a smaller wire diameter, which increases suspension travel and reduces unsprung weight for quicker reaction and improved responsiveness.
Constructed from durable aluminum, these coil-overs are easy to install with bolt-in compatibility to factory or upgraded QA1 tubular control arms. The dual adjustable shocks enable independent compression and rebound adjustments, giving you precise control over ride quality and performance. Whether you're aiming for street performance, autocross, drag racing, or street rod applications, this system adapts to your needs. Additionally, the ride height can be adjusted by up to 2 inches to achieve the perfect stance or to modify weight distribution for better handling.
Each coil-over shock is rigorously tested on a dynamometer and serialized for quality assurance. The system is serviceable and rebuildable at authorized QA1 service centers, ensuring long-term performance. Proudly made in the USA, these coil-overs come with a limited lifetime warranty for peace of mind. Sold as a pair, the front coil-over kit provides a compressed length of approximately 9.63 inches and an extended length of 14.5 inches, fitted with a 450 lbs/in spring rated for high-performance driving. This versatile system is compatible with various racing and street applications, making it an excellent upgrade for enthusiasts seeking adjustable, reliable suspension components.
Enhance your vehicle's handling, stance, and ride quality with the QA1 GM Pro Front Coil-Over System, a proven solution developed for demanding drivers and racing enthusiasts alike.

Features:

• Fully adjustable ride height and valving for personalized tuning.

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

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

• Independent compression and rebound adjustments for precise handling.

• Adjustable ride height up to 2 inches for stance and weight distribution tuning.

• Constructed from durable billet aluminum for strength and weight savings.

• Rigorous dyno testing and serialization for quality assurance.

• Serviceable and rebuildable at authorized QA1 service centers.

• Made in the USA with a limited lifetime warranty.

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

Fitment:
Chevrolet Corvette Base 1963
Chevrolet Corvette Base 1964
Chevrolet Corvette Base 1965
Chevrolet Corvette Base 1966
Chevrolet Corvette Base 1967
Chevrolet Corvette Base 1968
Chevrolet Corvette Base 1969
Chevrolet Corvette Base 1970
Chevrolet Corvette Base 1971
Chevrolet Corvette Base 1972
Chevrolet Corvette Base 1973
Chevrolet Corvette Base 1974
Chevrolet Corvette Base 1977
Chevrolet Corvette Base 1978
Chevrolet Corvette Base 1979
Chevrolet Corvette Base 1980
Chevrolet Corvette Base 1981
Chevrolet Corvette Base 1982
Chevrolet Corvette Collector's Edition 1982
Chevrolet Corvette Indianapolis 500 Pace Car 1978
Chevrolet Corvette Silver Anniversary Edition 1978
Chevrolet Corvette Stingray 1975
Chevrolet Corvette Stingray 1976