SKU: RCK52336 | UPC: 806990067128
QA1 64-72 GM A/G-Body Pro Rear Coil-Over System – Double Adj. – 12in x 150lbs/in – Aluminum
QA1 delivers a complete bolt-in rear coil-over conversion kit designed for 1964-1972 GM A/G-body vehicles including Chevelle, GTO, Cutlass and Skylark. This system features double adjustable aluminum shocks with 18 positions of compression and 18 positions of rebound adjustment for 324 valving combinations, paired with high-travel 12-inch 150 lb/in springs. Gain precise handling control from street driving to drag racing with easy ride height tuning via fully threaded shock bodies and included USA-made mounting brackets.
Key Features
- Double Adjustable Shocks: 18 compression and 18 rebound positions create 324 valving combinations for custom damping tailored to street, autocross or road race setups
- Aluminum Construction: Lightweight billet aluminum shocks reduce unsprung weight for improved acceleration, braking and cornering
- Bolt-In Design: Includes custom USA-made brackets, hardware and high-travel springs for direct replacement without fabrication
- Ride Height Adjustment: Fully threaded bodies allow simple height changes to set proper stance and geometry
- Spring Rate: 12-inch 150 lb/in springs suit a range of applications, dyno-tested for consistent performance
Product Notes
- Later model vehicles tend to weigh more on average. Please take this into account when ordering springs
- 100% dyno tested, serialized, serviceable and rebuildable at QA1 authorized centers
- Proven in drag racing, street performance, autocross, road racing and street rod applications
Installation Notes
- Professional installation recommended.
- Bolt-in fit with all necessary hardware. minor modifications possible on some wagon or heavy-duty models
- Compatible with stock or aftermarket rear ends. use OEM-style upper and lower mounts
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 | Pontiac | Tempest | All |
| 1964-1972 | Oldsmobile | Cutlass | All |
| 1964-1972 | Oldsmobile | 442 | All |
| 1964-1972 | Buick | Skylark | All |
| 1964-1972 | Buick | GS | All |
Why Choose QA1?
- USA-made components with proven durability across racing disciplines
- Extensive dyno testing ensures reliable performance in real-world conditions
- Precision engineering supports rebuilds and custom spring rate options
Frequently Asked Questions
- Q: Will this kit fit my 1967 Chevelle with a stock rear end?
A: Yes, it provides bolt-in installation for 1964-1972 GM A/G-body vehicles using stock or common aftermarket rear ends with no major modifications - Q: What material are the shocks made from?
A: Billet aluminum shocks with threaded bodies for lightweight strength and easy adjustments - Q: What is the warranty and service option?
A: QA1 offers a limited lifetime warranty on shocks against manufacturing defects. fully rebuildable at authorized service centers
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed, dimensions 28in x 16in x 16in
- Weight: 28.25 lbs






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