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SKU: RCK52366 | UPC: 806990169365
QA1 78-88 GM G-Body 12-200 Kit Rear Pro-Coil S-Adj
This QA1 rear Pro-Coil kit delivers precise ride height control for 1978-1988 GM G-Body vehicles including Monte Carlo Cutlass Regal and Grand Prix. Adjust up to 1 inch higher or 3 inches lower than stock in minutes for the ideal stance. Single adjustable shocks let you tune compression valving across 18 positions to firm up handling or soften daily driving.
Key Features
- Ride Height Adjustment: Threaded spring perch allows 1 inch above stock to 3 inches below for custom stance without disassembly
- Single Adjustable Valving: 18-position knob adjusts compression for track-tight control or street comfort in seconds
- Pro-Coil Design: 12-inch 200 lb/in progressive rate springs with 2.25-inch ID pair with aluminum-bodied shocks for balanced performance
- Bolt-On Fitment: Direct replacement using factory rear mounts on all G-Body chassis
- Warranty Protection: Register online for limited lifetime coverage on shocks against defects
Product Notes
- Kit arrives pre-assembled with matched springs and shocks
- Register shocks at QA1 website within 30 days of install for full warranty
- Pair with QA1 front kit for complete suspension upgrade
Installation Notes
- Professional installation recommended.
- Bolt-on process takes 2-4 hours per side with basic tools and jack stands
- Compatible with factory rear control arms and sway bar provisions
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1988 | Chevrolet | Monte Carlo | All |
| 1978-1983 | Chevrolet | Malibu | All |
| 1978-1981 | Chevrolet | El Camino | All |
| 1978-1987 | Buick | Regal | All including Grand National |
| 1978-1988 | Oldsmobile | Cutlass | All including Supreme |
| 1978-1983 | Pontiac | Grand Prix | All |
| 1978-1981 | Pontiac | LeMans | All |
Why Choose QA1?
- Motorsports heritage with NHRA and NASCAR proven components
- American-made with rigorous dyno testing for consistent damping
- Engineered for street and strip durability under high loads
Frequently Asked Questions
-
Q: Will this fit my 1985 Chevrolet Monte Carlo SS?
A: Yes it bolts directly to all 1978-1988 Monte Carlo models including SS using stock rear mounts -
Q: What materials are used in construction?
A: Steel shock tubes with aluminum bodies 2.25-inch ID springs and cadmium hardware for corrosion resistance -
Q: How do I get the lifetime warranty?
A: Complete online registration at qa1.net within 30 days of installation with proof of purchase
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: One secure box 26 x 14 x 10 inches
- Weight: 28 lbs
QA1
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