QA1 GM Pro Front Coil-Over System - Single Adj. - 9in x 550lbs/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 rac

Vehicle Fitment

• 1963-1968 Chevrolet Corvette
• 1965 Chevrolet Corvette
• 1966-1969 Chevrolet Corvette
• 1969-1974 Chevrolet Corvette
• 1970-1974 Chevrolet Corvette
• 1975-1976 Chevrolet Corvette
• 1977-1982 Chevrolet Corvette
• 1978 Chevrolet Corvette
• 1979 Chevrolet Corvette
• 1982 Chevrolet Corvette

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

Manufacturer Part Number: GS507-09550D

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.