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$583.80
QA1 GS401-10450C Pro Coil-Over System, GM A/G/X Bodies
QA1 GS401-10450C Pro Coil-Over System, GM A/G/X Bodies

QA1 GS401-10450C Pro Coil-Over System, GM A/G/X Bodies

Buick, Chevy, GMC, Oldsmobile, Pontiac, Front Position, 450 lbs. Spring Rate, 4.00 Shock Stroke

3 Reviews | 2 Answered Questions
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QA1 GS401-10450C Pro Coil-Over System, GM A/G/X Bodies
QA1 GS401-10450C Pro Coil-Over System, GM A/G/X Bodies
QA1 GS401-10450C Pro Coil-Over System, GM A/G/X Bodies
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QA1 GS401-10450C Pro Coil-Over System, GM A/G/X Bodies
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Part # 721GS40110450C
$583.80
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  • Designed specifically for the GM A/G.X body vehicles
  • Feature a 450 lbs. spring rate with polyurethane bushings
  • Built for anyone looking to fully adjust ride height and valve control
  • Shocks incorporate 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
  • Coil-over has a 10.13" compressed and a 14" extended length

Details

Position:
Front
Spring Rate:
450 lbs.
Shock Adjustability:
Single Adjustable
Shock Type:
Twin Tube
Shock Body Material:
Aluminum
Shock Stroke:
4.00
Upper Shock Mount:
Stud
Lower Shock Mount:
T-Bar
Compressed Length Range:
10.00" to 10.99"
Compressed Length:
10.13"
Extended Length Range:
14.00" to 14.99"
Extended Length:
14.00"
Height Adjustable:
Yes
Number of Valving Selections:
18
Finish:
Clear Anodized
Coilover Springs Included:
Yes
Bushing Material:
Polyurethane
Body Diameter:
2.00"
Sold in Quantity:
Kit
Adjustable:
Yes
Hardware Included:
Yes
Crossmember Included:
No
Welding Required:
No
Gas Charged:
No
Mounting Bracket Included:
No
Spring Finish:
Silver Powdercoated
MFG. Part #:
GS401-10450A
Notes:
Designed to fit applications with small block engines.
GTIN Code:
806990062024

Info

Available in multiple valving options for a variety of GM A, G and X-Body vehicles, these front Pro Coil Systems are a great 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.

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

Reviews

Q & A

Videos & Articles
  • Visit the Toolbox

    The Toolbox is Speedway Motors' hub for professionally written articles.

  • In this episode, Project Chevelle gets coilovers and a much-needed altitude adjustment. Watch as we install QA1 bolt-on coilover kits front and rear, then dial in the perfect stance and shock settings. Our old Chevelle is really starting to look mean!
  • Speedway Motors employee Steve is back to work on his 1976 Chevrolet Laguna, this time installing a QA1 Coilover kit in his front suspension.

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