Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Corvette C5 Double Adjustable Pro Coil Systems
- Pro Coil Front Coil-Over System
- Double Adjustable Shock
- 10.98" Compressed / 14.9" Extended Height
- 9" Spring Free Length
- Spring Rate: 550 lbs/in.
Features: - Truly independent compression and rebound adjustment.
- 18 positions of rebound on one knob and 18 positions of compression on the other knob, providing 324 valving options.
- One shock allows for the ultimate in fine-tuning for any application. Shock Mount Type:
- Stud Type Upper Mount
- T-Bar Type Lower Mount
Optimize Performance with a Replacement Coil-Over Conversion
QA1 Double-Adjustable Pro Coil Systems are ideal for anyone looking for a suspension upgrade that allows for fully-adjustable ride height and valving control while maintaining stock configuration control arms. Choose a spring rate that fits your driving style and provides the stance you want, while offering increased weight transfer, greater durability, and easy bolt-on installation.
Show More
GM Pro Coil Coil Over Conversion Kits are also available in Single Adjustable and Drag Race "R" Series
 Spring Style ''A'' Pigtail End 3.50'' Upper ID 2.50'' Lower ID |  Spring Style ''B'' Flat End 3.50'' Upper ID 2.50'' Lower ID |  Spring Style ''C'' Flat End 4.10'' Upper ID 2.50'' Lower ID |
Part TypeShock Absorber and Coil Spring Assembly
Product LineQA1 GM Pro Coil Double Adjustable Coil-Over Conversion Systems
BrandQA1
Package Height6.0
Package Width10.0
Package Length25.0
Weight20.86 PG
Part CategoryPerformance Parts
Adjustable ValvingYes
Hardware IncludedYes
Number Of Valving Selections324
Gas ChargedNo
Crossmember IncludedNo
Bushing ColorBlack
Suspension Height Adjustment (In.)1.0-2.2 lowered
Lower MountTie bar
Shock Body FinishNatural
Shock Body MaterialAluminum
Body Diameter2 in (50.8 mm)
Extended Length14.9 in (378.46 mm)
Coil-Over Springs IncludedYes
Spring Rate550 lbs./in.
Bushing MaterialPolyurethane
Adjustable Mounting Bracket IncludedNo
Spring FinishSilver powdercoated
Welding RequiredNo
QuantitySold as a kit
Coil-Over Kit PositionFront
Upper MountStud
Shocks IncludedYes
Collapsed Length10.98 in (278.892 mm)
Internal DesignTwin-tube
Vendor Part NumberGD402-09550
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
QA1
Spanner Wrenches 26, 26A, 26V, 28, 28A, 28V, 50, 51, 60 and 62 Series Shocks
Part Number : 122-T114W
$2795
QA1
Spanner Wrench & Thrust Bearing Kit 2 each: spanner wrenches, thrust bearings & washers
Part Number : 122-7888-110
$6895
QA1
Thrust Bearing Kit Kit includes: (2) thrust bearings (4) washers to simplify adjustments Notes: Use with all coil-over shocks.
Part Number : 122-7888-109
$4095
QA1
Part Number : 122-T114W
$2795
QA1
Part Number : 122-7888-110
$6895
QA1
Part Number : 122-7888-109
$4095
Some parts are not legal for use in California or other states with similar laws / regulations
