Front Pro Coil double adjustable stock mount shock. Coil-over shock only. Compressed length of 9.63" and extended length of 14.5". No spring included. QA1's GM Coil-Over Shock for 1963-1982 Corvettes, 1965-1996 Impalas and 1958-1996 Full Size GM vehicles, including Full Size Chevy, Buick, Oldsmobile and Pontiac models, is a great choice for anyone looking for adjustable valving control. Choose the valving to match your driving style and you're on your way. This shock is a great option for anyone looking for a suspension upgrade for their street car.