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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
Shop All QA1 Coilovers, Shocks, Springs, Handling Kits & Suspension Components Browse premium QA1 suspension parts and performance components at Black Ops Auto Works, including coilover kits, shock absorbers, lowering kits, handling kits, suspension conversion systems, four-link systems, springs, struts, rod ends, linkage rods, tube adapters, and suspension hardware for muscle cars, trucks, street builds, drag cars, and pro-touring applications. QA1 is one of the most recognized names in the suspension category, known for engineering products that improve ride quality, adjustability, handling, weight transfer, and overall vehicle control. Why Choose QA1 Suspension Products QA1 products are built for enthusiasts looking to improve suspension performance on classic, street, strip, and performance truck platforms. Popular reasons customers choose QA1 include: Adjustable suspension tuning for street and track use Improved handling, ride control, and weight transfer Vehicle-specific...
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Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
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