QA1 GD508-10550C GM Pro Coil System, Double Adj, Tapered Flat Lrg

QA1's coil-over shock for your 1963-1965 Buick Riviera offers fully adjustable ride height and valving control
Pick your spring rate and adjustability to fit your driving style, adjust the valving to match and you are on your way
They 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

$964.95

Factory Shipped

$1,069.01

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Product Summary

63-65 Buick Riviera, Front Position, 5.00 Shock Stroke

QA1's coil-over shock for your 1963-1965 Buick Riviera offers fully adjustable ride height and valving control
Pick your spring rate and adjustability to fit your driving style, adjust the valving to match and you are on your way
They 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
Lightweight Billet Aluminum Coil-Over Design
Easy, Bolt-In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized

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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 GD508-10550C Details

QA1's coil-over shock for your 1963-1965 Buick Riviera offers fully adjustable ride height and valving control
Pick your spring rate and adjustability to fit your driving style, adjust the valving to match and you are on your way
They 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
Lightweight Billet Aluminum Coil-Over Design
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

Guides & Documents

Coilovers Installation Instructions (721GD50810550C)

Warranty (QA1)

Technical Information (QA1)

CA Prop 65

QA1 GD508-10550C Specifications

KEY SPECS
MFG. Part #	GD508-10550C
Brand	QA1
Position	Front
Spring Rate	550 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum
Shock Stroke	5.00
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
Coilover Springs Included	Yes
Bushing Material	Polyurethane
Sold in Quantity	Pair
Adjustable	Yes
Hardware Included	Yes
Crossmember Included	No
Welding Required	No
Gas Charged	No
Color	Silver
Suspension Height Adjustment	0.0-2.0 Inch Lowered
Spring Finish	Powder Coated
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 GD508 shocks. Springs are 10 tapered with a large diameter, flat upper end style 10HTBF550 springs.
GTIN Code	806990146946
Adjustable Valving	Yes
Adjustable Mounting Bracket Included	No
Bushing Color	Black
Lower Mount	T-bar
Upper Mount	Stud

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Fitment

1963-1965 Buick Riviera