$104 Off

QA1 GD401-11250C GM Pro Coil, Double Adj, 250 Tapered Flat, Large

$104 Off

#721GD40111250C

QA1 GD401-11250C GM Pro Coil, Double Adj, 250 Tapered Flat, Large

These QA1 GM Pro Coil Systems are a great option for anyone looking for fully adjustable ride height and valving control
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

$964.95

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$1,069.01

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Product Summary

Buick, Chevy, GMC, Oldsmobile, Pontiac, Front Position

These QA1 GM Pro Coil Systems are a great option for anyone looking for fully adjustable ride height and valving control
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

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Key Specs

Position	Front
Spring Rate	250 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum

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QA1 GD401-11250C Details

These QA1 GM Pro Coil Systems are a great option for anyone looking for fully adjustable ride height and valving control
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
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

Guides & Documents

Coilovers Installation Instructions (721GD40111250C)

Warranty (QA1)

Technical Information (QA1)

CA Prop 65

QA1 GD401-11250C Specifications

KEY SPECS
MFG. Part #	GD401-11250C
Brand	QA1
Position	Front
Spring Rate	250 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum
Shock Stroke	4.00
Upper Shock Mount	Stud
Lower Shock Mount	T-Bar
Height Adjustable	Yes
Finish	Powder Coated

GENERAL
Compressed Length Range	8.00" to 8.99"
Compressed Length	8.63"
Extended Length Range	12.00" to 12.99"
Extended Length	12.88"
Number of Valving Selections	324
Coilover Springs Included	Yes
Bushing Material	Polyurethane
Body Diameter	2.00"
Sold in Quantity	Pair
Adjustable	Yes
Hardware Included	Yes
Crossmember Included	No
Welding Required	No
Gas Charged	No
Color	Silver
Mounting Bracket Included	No
Suspension Height Adjustment	0.0-2.0 Inch Lowered
Spring Finish	Powder Coated
Recommended Front End Weight	1,500-1,600 lbs.
Notes	Designed to fit applications with small block engines. Coilover shocks are double adjustable Pro series GD401 shocks. Springs are 11 tapered with a large diameter, flat upper end style 11HTBF250 springs.
GTIN Code	806990062543
Adjustable Valving	Yes
Adjustable Mounting Bracket Included	No
Bushing Color	Black
Lower Mount	Bar pin
Upper Mount	Stud

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Fitment

1975 Buick Apollo

1973-1977 Buick Century

1973-1987 Buick Regal

1975-1979 Buick Skylark

1973 Chevy Chevelle

1973-1987 Chevy El Camino

1973-1976 Chevy Laguna

1973-1983 Chevy Malibu

1973-1988 Chevy Monte Carlo

1975-1979 Chevy Nova

1982-2004 Chevy S10

1999-2004 Chevy Silverado 1500

1981-1987 GMC Caballero

1982-1990 GMC S15

1991-2004 GMC Sonoma

1973-1977 GMC Sprint

1973-1987 Oldsmobile Cutlass

1973-1977 Oldsmobile Cutlass Supreme

1973-1979 Oldsmobile Omega

1978-1986 Pontiac Bonneville

1973-1980 Pontiac Grand Am

1982-1983 Pontiac Grand LeMans

1973-1987 Pontiac Grand Prix

1973-1981 Pontiac LeMans

1977-1979 Pontiac Phoenix

1975-1977 Pontiac Ventura