QA1 Pro-Coil Double Adjustable Twintube Coil-Over Front Shock Kit - 650 lb. - GM (Pair) XBCSM 5-9 PSI - -8 Inlet

5-9 PSI - -8 Inlet Port - four -6 Outlet Ports - Aluminum Billet Body

Backshifts to 2nd and 1st at any RPM

335 cc Intake

Sprint car radius rod

QA1 Pro-Coil Double Adjustable Twintube Coil-Over Front Shock Kit - 650 lb. - GM (Pair) XBCSM 5-9 PSI - -8 InletQA1's GM Pro Coil Systems are available for 1963 1982 Corvettes and for 1958 1970 Full Size Chevrolet vehicles, including Impalas, Bel Airs and Caprices. They are the perfect 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