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Vehicle Info NeededQA1PART NUMBER: 122-GD501-11250C
Pro Coil Front Coil-Over System Double Adjustable Shock
$96495
Ships on 09/15/2026
Lowest Price GuaranteeSpring Style "C"1970-1981 Camaro / Firebird
- Pro Coil Front Coil-Over System
- Double Adjustable Shock
- 10.5'' Compressed / 15'' Extended Shock Height
- 11'' Spring Free Length
- 1500-1600 lbs. Front End Weight
- 250 lbs/in. Spring Rate
Shock Mount Type: - Stud Type Upper Mount
- T-Bar Type Lower Mount
*Notes: Some front applications may require the lower a-arm to be dropped for installation. Body diameter may be too large to allow mounting from the bottom. Some control arm's shock openings may need to be enlarged to accept a QA1 shock.
Stud mounts are measured to the shoulder of the stud. Add 13/16' for installed compressed length per stud mount. Loops and t-bars are measured to the center of the loop. Lengths may vary slightly.
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.
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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
Weight22.46 PG
Part CategoryPerformance Parts
Adjustable ValvingYes
Hardware IncludedYes
Coil-Over Springs IncludedYes
Number Of Valving Selections324
Gas ChargedNo
Crossmember IncludedNo
Bushing ColorBlack
Spring Rate250 lbs./in.
Bushing MaterialPolyurethane
Adjustable Mounting Bracket IncludedNo
Spring FinishSilver powdercoated
Recommended Front-End Weight (Lbs.)1,500-1,700
Welding RequiredNo
QuantitySold as a kit
Shock Body FinishClear anodized
Coil-Over Kit PositionFront
Shock Body MaterialAluminum
Suspension Height AdjustmentStock
Shocks IncludedYes
Part FitmentDirect Fit
Internal DesignTwin-tube
Vendor Part NumberGD501-11250C
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
