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Vehicle Info NeededRear Coil-Over Conversion Kit 1978-1988 GM G-Body
Ships on 09/17/2026
Lowest Price GuaranteeFits:
- 1982-87 Buick Regal
- 1978-83 Chevy Malibu
- 1982-88 Chevy Monte Carlo
- 1982-87 Chevy El Camino and GMC Caballero
- 1982-86 Pontiac Bonneville
- 1982-87 Pontiac Grand Prix
- 1982-87 Oldsmobile Cutlass Supreme
- 1988 Oldsmobile Cutlass Supreme Classic
- 1982-84 Oldsmobile Cutlass Calais
- 1982-83 Oldsmobile Cutlass Cruiser
- 1986-87 Oldsmobile Cutlass Salon
Kit Includes:
- (2) Double Adjustable MOD Series Coil-Overs
- (2) Springs
- Mounting Brackets
- All Necessary Hardware
Additional MOD Series Features:
- Features QuickTune Technology - modular valve packs that allow for completely revalving the shock without having to remove it from the car!
- 24 click independent compression and rebound adjustment with low-speed bleed
- Large solid piston (with blow-off valve) for improved driver feel and control with up to 1,600 lb. force
- High-speed valving adjustment (coarse adjustment)—relates to shock operation during impact events, like hitting a pothole or curb
- Low-speed valving (fine-tune adjustments)—adjusts ride quality and weight transfer on corner entry/exit; more bleed for a softer feel and less bleed for a stiffer feel
- Indexable base eyelet—multiple mounting positions to optimize knob access and provide more mounting flexibility
QA1 Rear Coil-Over Conversion Kits for your 1978-88 GM G-Body are complete and ready to be bolted in. These kits include specially designed mounting brackets and single or double adjustable aluminum shocks specific to GM G-Body applications. These shocks also utilize a fully threaded body allowing for ride height adjustability. All the necessary hardware is included with each kit for easy installation.
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Features:
- Available with single or double adjustable Proma Star Shocks
- Offered as complete conversion kit or shock and bracket kit only
- Shocks utilize a fully threaded body allowing for ride height adjustability
- All kits include USA made mounting brackets and all necessary hardware for an easy install
Transform your 1978-1988 GM G-Body’s rear suspension with the QA1 Big Wheel Suspension Kits—premium upgrades that blend serious performance, adjustability, and drool-worthy stance. Ideal for Monte Carlo, Malibu, Cutlass, and Regal builds, this g body rear coilover kit delivers the ride height, grip, and control you’ve been searching for.
With fully threaded aluminum bodies and high-travel springs, these kits let you drop the rear end up to 3" below stock or lift it 1" above—perfect for clearance, style, or accommodating big wheels. Whether you opt for single-adjustable or double-adjustable valving, you’ll gain precise tuning control over rebound and compression. The double adjustment versions unlock up to 324 distinct settings for serious track or drag strip fine-tuning.
Installation is straightforward—these QA1 rear coilovers are bolt-in conversions with USA-made brackets, shocks, and all necessary hardware included. Built tough with powder-coated or anodized components, spherical bearings or bushings, and guaranteed spring rates, these kits are engineered for both street comfort and track-ready durability.
Why go with qa1 coilovers g body style? Because these kits don’t just drop stance—they dramatically improve rear traction, reduce axle wrap and pinion angle deflection, and make launching, braking, and cornering much more predictable. If you want grip, height adjustability, and race-level compliance all in one, this g body rear coilover kit is exactly what your build needs. Add it to your cart and take control of the rear end.
