$104 Off

QA1 GD507-09550D Pro Coil System, Double Adjustable, Pigtail Lrg

$104 Off

#721GD50709550D

QA1 GD507-09550D Pro Coil System, Double Adjustable, Pigtail Lrg

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

Spring Rate:

550 lbs.

$964.95

Factory Shipped

$1,069.01

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Product Summary

Bel Air, Caprice, Corvette, Impala, Biscayne, Del Ray

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

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Key Specs

Position	Front
Spring Rate	550 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum

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QA1 GD507-09550D Details

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
Successfully tested in various applications, from casual street driving to hard core race applications

Guides & Documents

Coilovers Installation Instructions (721GD50709550D)

Warranty (QA1)

Technical Information (QA1)

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

QA1 GD507-09550D Specifications

KEY SPECS
MFG. Part #	GD507-09550D
Brand	QA1
Position	Front
Spring Rate	550 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum
Upper Shock Mount	Stud
Lower Shock Mount	T-Bar
Height Adjustable	Yes
Finish	Powder Coated

GENERAL
Compressed Length Range	9.00" to 9.99"
Compressed Length	9.63"
Extended Length Range	14.00" to 14.99"
Extended Length	14.5"
Number of Valving Selections	324
Bushing Material	Polyurethane
Sold in Quantity	Pair
Hardware Included	Yes
Crossmember Included	No
Welding Required	No
Gas Charged	No
Color	Silver
Suspension Height Adjustment	0.0-2.0 Inch Lowered
Recommended Front End Weight	2,101-2,200 lbs.
Notes	Designed to fit applications with big block engines. Coilover shocks are double adjustable Pro series GD507 shocks. Springs are 9 tapered with a large diameter, pigtail upper end style 9HTSP550 springs.
GTIN Code	806990139887
Adjustable Valving	Yes
Adjustable Mounting Bracket Included	No
Bushing Color	Black
Lower Mount	T-bar
Upper Mount	Stud

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Fitment

1958-1981 Chevy Bel Air

1958-1972 Chevy Biscayne

1966-1991 Chevy Caprice

1963-1982 Chevy Corvette

1958 Chevy Del Ray

1971-1996 Chevy Impala