Best Seller Qa1 Gm Pro Front Coil-over System - Double Adj. - 9in X 450lbs/in - Pigtail Large - Aluminum Twin Pack [RgXGP6J5]

QA1'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 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.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
1958-1975	Chevrolet	Bel Air	Base
1958-1972	Chevrolet	Biscayne	Base
1960	Chevrolet	Biscayne	Fleetmaster
1966-1972,1986-1991	Chevrolet	Caprice	Base
1973-1991	Chevrolet	Caprice	Classic
1986-1990	Chevrolet	Caprice	Classic Brougham
1976-1978,1981-1982	Chevrolet	Caprice	Classic Estate
1976-1981	Chevrolet	Caprice	Classic Landau
1987-1990	Chevrolet	Caprice	Classic LS Brougham
1991	Chevrolet	Caprice	Classic LTZ
1975-1976,1979-1980	Chevrolet	Caprice	Classic Sport
1973-1974	Chevrolet	Caprice	Estate
1975	Chevrolet	Caprice	Estate Wagon
1963-1974,1977-1982	Chevrolet	Corvette	Base
1982	Chevrolet	Corvette	Collector's Edition
1978	Chevrolet	Corvette	Indianapolis 500 Pace Car
1978	Chevrolet	Corvette	Silver Anniversary Edition
1975-1976	Chevrolet	Corvette	Stingray
1958	Chevrolet	Del Ray	Base
1971-1985	Chevrolet	Impala	Base
1975-1977	Chevrolet	Impala	Custom
1976	Chevrolet	Impala	Custom Landau
1981-1982	Chevrolet	Impala	Estate
1977-1979	Chevrolet	Impala	Landau
1976	Chevrolet	Impala	S
1975-1976,1979-1980	Chevrolet	Impala	Sport
1994-1996	Chevrolet	Impala	SS