SKU: GS401-10650C | UPC: 806990120373
QA1 GM Pro Front Coil-Over System – Single Adj. – 10in x 650lbs/in – Flat Large – Aluminum for 1964-1972 GM A-Body
Transform handling on your 1964-1972 GM A-Body like Chevelle Cutlass GTO and Nova with this QA1 GS401-10650C front coil-over system sold in pairs. Single adjustable compression valving pairs with a fully threaded body for precise ride height tuning and damping matched to your driving style from street to track. Lightweight high-travel springs deliver quick response and reduced unsprung weight for better suspension performance.
Key Features
- Single Adjustable Valving: Compression damping adjustment lets you fine-tune firmness for street comfort or track grip without removing the shocks.
- Ride Height Adjustable: Fully threaded aluminum body allows 1.5-3 inches of drop for custom stance and optimized weight transfer in corners or launches.
- High Travel Springs: 10-inch 650 lbs/in American-made springs with fewer coils and thinner wire provide extended wheel travel and faster reaction times.
- Lightweight Aluminum Design: Billet aluminum shocks cut weight versus steel for improved acceleration and handling responsiveness.
- Bolt-In Ready: Direct fit for GM A-Body front suspension with dyno-tested serialization ensuring consistent quality from QA1 factory.
Product Notes
- Sold in pairs with all hardware for complete front installation.
- Serviceable and rebuildable at QA1 authorized centers nationwide.
- Made in the USA for drag racing street performance autocross and road racing.
Installation Notes
- Professional installation recommended.
- Bolts into factory front suspension locations on 1964-1972 GM A-Body chassis.
- Compatible with QA1 or stock upper and lower control arms no modifications needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1964-1972 | Chevrolet | Chevelle | All |
| 1964-1972 | Chevrolet | El Camino | All |
| 1964-1972 | Pontiac | GTO | All |
| 1964-1972 | Pontiac | LeMans | All |
| 1964-1972 | Oldsmobile | Cutlass | All |
| 1964-1972 | Oldsmobile | 442 | All |
| 1962-1967 | Chevrolet | Nova | Chevy II |
Why Choose QA1?
- Proven in NHRA IHRA NASA and SCCA racing applications for decades.
- Every shock dyno tested serialized and backed by motorsports engineering.
- Precision USA manufacturing with high-volume valving for reliable damping.
Frequently Asked Questions
- Q: Does this fit 1967-1969 Camaro or Firebird front suspension?
A: Primary fit is 1964-1972 A-Body and 1962-1967 Nova spacers may be needed for F-Body check QA1 application guide for exact. - Q: What adjustment does single adjustable mean?
A: Single knob adjusts compression damping only 24 clicks from soft street to firm race settings rebound is fixed for balanced control. - Q: What is the warranty on these coil-overs?
A: QA1 provides limited lifetime warranty on valving and 1-year on springs hardware when serviced at authorized centers.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box 22in x 11in x 11in
- Weight: 24 lbs shipping weight
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