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SKU: 5285 | UPC: 806990064745
QA1 78-88 GM A/G-Body Adjustable Rear Frame Support
QA1 Adjustable Rear Frame Supports strengthen the rear suspension on 1978-1988 GM A/G-Body vehicles including Chevrolet Malibu Monte Carlo El Camino Buick Regal Pontiac Grand Prix LeMans Bonneville Oldsmobile Cutlass and GMC Caballero. These supports eliminate chassis flex while reinforcing upper and lower trailing arm mounts to deliver improved handling traction and overall suspension performance. Installation is straightforward with included hardware and design clears stock and aftermarket mufflers.
Key Features
- Heavy-Duty Construction: Built from 1-inch diameter cold rolled steel tubing for maximum strength and durability under high-performance conditions
- Adjustable Preload: Zinc plated threaded sleeves allow precise preload adjustments on rear trailing arm mounts after installation for custom suspension tuning
- Muffler Clearance: Engineered to fit without interference alongside stock exhaust systems or popular aftermarket mufflers
- Complete Hardware Kit: All necessary bolts nuts and fasteners included for bolt-on installation without additional parts
- Chassis Reinforcement: Targets critical flex points to maintain geometry enhance stability and improve cornering and launch traction
Product Notes
- Adjust preload after full suspension assembly for optimal performance
- Zinc plating resists corrosion for long-term reliability in all weather conditions
- Direct bolt-on design uses factory mounting locations
Installation Notes
- Professional installation recommended.
- Tighten to specified torque after preload adjustment with vehicle at ride height
- Compatible with stock frames and most aftermarket suspension components
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1982 | Chevrolet | Malibu | Classic |
| 1978-1980 | Chevrolet | Malibu | Classic Estate |
| 1978-1981 | Chevrolet | Malibu | Classic Landau |
| 1979-1980 | Chevrolet | Malibu | Classic Sport |
| 1979-1980 | Chevrolet | Malibu | Estate |
| 1979 | Chevrolet | Malibu | Landau |
| 1978-1987 | Buick | Regal | Base |
| 1988 | Buick | Regal | Custom |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1987 | Buick | Regal | GNX |
| 1984-1987 | Buick | Regal | Grand National |
| 1978-1988 | Buick | Regal | Limited |
| 1982 | Buick | Regal | Limited Turbo |
| 1978-1982 | Buick | Regal | Sport |
| 1978-1987 | Pontiac | Bonneville | Base |
| 1978-1986 | Pontiac | Bonneville | Brougham |
| 1984-1987 | Pontiac | Bonneville | LE |
| 1978-1981 | Pontiac | Bonneville | Safari |
| 1978-1980 | Pontiac | Grand Am | Base |
| 1978-1987 | Pontiac | Grand Prix | Base |
| 1981-1987 | Pontiac | Grand Prix | Brougham |
| 1978 | Chevrolet | Monte Carlo | Sport |
| 1980 | Chevrolet | Monte Carlo | Sport |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1981-1986 | GMC | Caballero | Amarillo |
| 1981-1987 | GMC | Caballero | Base |
| 1981 | GMC | Caballero | Conquista |
| 1981-1987 | GMC | Caballero | Diablo |
| 1979 | Chevrolet | Malibu | Police |
| 1979-1980 | Chevrolet | Malibu | Sport |
| 1979 | Chevrolet | Monte Carlo | Base |
| 1981-1988 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1978-1981 | Chevrolet | Monte Carlo | Landau |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1981 | GMC | Caballero | Royal Knight |
| 1980 | Oldsmobile | Cutlass | Base |
| 1980-1981 | Oldsmobile | Cutlass | Brougham |
| 1980-1981 | Oldsmobile | Cutlass | LS |
| 1978-1979 | Oldsmobile | Cutlass | Vista Cruiser |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser Brougham |
| 1983-1986 | Buick | Regal | T-Type |
| 1978-1987 | Chevrolet | El Camino | Base |
| 1978 | Chevrolet | El Camino | Conquista |
| 1981-1986 | Chevrolet | El Camino | Conquista |
| 1979-1981 | Chevrolet | El Camino | Royal Knight |
| 1978-1987 | Chevrolet | El Camino | SS |
| 1978-1981 | Chevrolet | Malibu | Base |
| 1984-1987 | Pontiac | Grand Prix | LE |
| 1978-1983 | Pontiac | Grand Prix | LJ |
| 1978-1980 | Pontiac | Grand Prix | SJ |
| 1978-1981 | Pontiac | LeMans | Base |
| 1978-1981 | Pontiac | LeMans | Safari |
Why Choose QA1?
- Trusted by racers and enthusiasts for reliable suspension components
- High-strength materials built to withstand demanding track and street use
- Precision engineering ensures perfect fit and performance gains
Frequently Asked Questions
-
Q: Will this fit my 1981-1988 Chevrolet Monte Carlo SS?
A: Yes it fits 1983-1988 Monte Carlo SS along with Base Landau LS and other 78-88 GM A/G-Body models listed -
Q: What material and finish does it use?
A: Constructed from 1-inch cold rolled steel tubing with zinc plating on adjustable sleeves for corrosion resistance and durability -
Q: Is special hardware needed for installation?
A: No all required hardware is included for direct bolt-on installation using factory frame mounts
Shipping &. Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 32 x 8 x 4 inches
- Weight: 11.2 lbs
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