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SKU: GS401 | UPC: 806990057358
QA1 GM Pro Front Coil-Over Shock Absorber - Single Adj. - Stock Mount - 8.625in/12.875in - Aluminum for 1964-1972 Chevrolet Chevelle, 1967-1969 Camaro, 1968-1969 Pontiac Firebird
The QA1 GS401 delivers precise ride height adjustment and compression damping control in a lightweight aluminum coil-over shock for classic GM vehicles like the 1964-1972 Chevrolet Chevelle, 1967-1969 Camaro and 1968-1969 Pontiac Firebird. This single adjustable front shock uses stock mounts for straightforward bolt-in fitment and offers 24-position compression valving to match street or drag demands. Its 4.25-inch travel from 8.625-inch compressed to 12.875-inch extended length ensures responsive handling and consistent performance.
Key Features
- Single Adjustable Compression Valving: 24 precise adjustment clicks allow damping tuning for track or road conditions without tools
- Lightweight Aluminum Body: 2.34-inch diameter billet construction cuts unsprung weight to sharpen acceleration and cornering
- Ride Height Adjustable: Threaded perch design enables quick height changes from 1-3 inches drop using stock components
- 100% Dyno Tested and Serialized: Each shock undergoes dyno validation with unique serial number for performance assurance
- Made in USA and Rebuildable: Precision manufactured in Minnesota with full serviceability at QA1 centers
Product Notes
- Coil springs sold separately. pair with QA1 3-inch ID springs rated 250-500 lb/in for your setup
- Drag "R" Series valving optimized for straight-line traction. verify compression settings for your power level
- Product weight 7.60 lbs. handles up to 500 hp applications with proper spring match
Installation Notes
- Professional installation recommended.
- Bolts to OEM upper stem and lower cross pin mounts with no cutting or welding
- Requires stock GM metric front suspension hardware. upper control arm bushings may need upgrade for high-horsepower use
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1964-1972 | Chevrolet | Chevelle | All |
| 1967-1969 | Chevrolet | Camaro | All |
| 1968-1969 | Pontiac | Firebird | All |
| 1969-1974 | Chevrolet | Nova | All |
| 1964-1972 | Chevrolet | El Camino | All |
Why Choose QA1?
- Decades of motorsports testing in NHRA and IHRA classes
- Every shock dyno-tested for repeatable damping curves
- Engineered with rebuild kits and lifetime limited warranty
Frequently Asked Questions
-
Q: Does this coil-over include springs?
A: No, the GS401 shock ships without springs. Select QA1 TSR or TSR Aero springs with 3-inch ID and appropriate rates for your vehicle weight and use. -
Q: What adjustment options are available?
A: Single adjustable compression valving provides 24 clicks of adjustment from soft street settings to firm drag tune without removing the shock. -
Q: What is the warranty coverage?
A: QA1 offers a lifetime limited warranty against defects in materials and workmanship on valving. excludes abuse or improper installation.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 14in x 7in x 6in
- Weight: 7.60 lbs
QA1
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