QA1 78-88 GM G-Body 12-200 Kit Rear Pro-Coil S-Adj

Get the perfect look by easily adjusting your ride height on your Monte Carlo or Cutlass. These rear coil-overs allow ride height adjustment up to 1" higher to 3" lower than stock. Dialing in the perfect stance on your G-body can be done in minutes. Single adjustable shocks allow you to simultaneously adjust shock valving to firm up or soften the ride. With registration, your shocks can be backed with a best-in-class Limited Lifetime Warranty. QA1 78-88 GM G-Body Big Wheel Rear Coilover Kit with single adjustable Proma Star shocks and 12", 200 lb. springs Kits work with factory housings. Some aftermarket rear end housings require a weld on shock mount bracket – Item 9037-1081

• Ultimate balance of ride quality and performance handling with adjustable rebound and compression valving.
• Achieve 1/2 higher than stock down to 2.25" lower than stock.
• Limited Lifetime Warranty for peace of mind.
• Proudly made in the USA.
• Sold as a pair.

Upgrade the stance, ride quality, and handling of your classic GM G-body with the QA1 qapRCK52366 rear coilover kit. Designed for 1978-1988 GM G-body applications, including Monte Carlo, Cutlass, Pontiac Grand Prix, and select Bonneville models, this kit provides convenient ride-height adjustment for dialing in the look and performance of your vehicle. The included 12-inch, 200-pound springs and single-adjustable Proma Star shocks make it easy to tailor your suspension setup for street driving, cruising, or performance use.
The rear coilovers allow adjustment from approximately 1/2 inch higher than stock to 2.25 inches lower than stock, helping you achieve the stance you want without replacing the entire suspension system. Single-adjustable shocks let you simultaneously fine-tune rebound and compression valving, allowing the ride to be softened for comfort or firmed up for improved control and handling. The kit works with factory rear housings; certain aftermarket rear-end housings may require a weld-on shock mount bracket, such as QA1 item 9037-1081.

• Application: Fits select 1978-1988 GM G-body vehicles, including Monte Carlo, Cutlass, Pontiac Grand Prix, and Bonneville models.


• Ride Height Adjustment: Adjusts from approximately 1/2 inch above stock to 2.25 inches below stock.


• Shock Adjustment: Single-adjustable Proma Star shocks provide simultaneous rebound and compression valving adjustment.


• Spring Specification: Includes 12-inch, 200-pound rear coilover springs.


• Installation: Designed for use with factory rear housings; some aftermarket housings may require an additional weld-on shock mount bracket.


• Construction: Proudly made in the USA.


• Coverage: Limited Lifetime Warranty available with registration.


• Package Contents: Sold as a pair.

The QA1 qapRCK52366 kit is a practical solution for enthusiasts seeking adjustable suspension performance and a customized ride height in a classic GM G-body. Its matched coilover components simplify setup while providing the flexibility needed to balance comfort, appearance, and handling.

Features:

• Application: Fits select 1978-1988 GM G-body vehicles, including Monte Carlo, Cutlass, Pontiac Grand Prix, and Bonneville models.

• Ride Height Adjustment: Adjusts from approximately 1/2 inch above stock to 2.25 inches below stock.

• Shock Adjustment: Single-adjustable Proma Star shocks provide simultaneous rebound and compression valving adjustment.

• Spring Specification: Includes 12-inch, 200-pound rear coilover springs.

• Installation: Works with factory rear housings; some aftermarket housings may require a weld-on shock mount bracket.

• Construction: Proudly made in the USA.

• Coverage: Limited Lifetime Warranty available with registration.

• Package Contents: Sold as a pair.

Fitment:
Buick Regal Base 1982
Buick Regal Base 1983
Buick Regal Base 1984
Buick Regal Base 1985
Buick Regal Base 1986
Buick Regal Base 1987
Buick Regal Estate Wagon 1982
Buick Regal Estate Wagon 1983
Buick Regal GNX 1987
Buick Regal Grand National 1984
Buick Regal Grand National 1985
Buick Regal Grand National 1986
Buick Regal Grand National 1987
Buick Regal Limited 1982
Buick Regal Limited 1983
Buick Regal Limited 1984
Buick Regal Limited 1985
Buick Regal Limited 1986
Buick Regal Limited 1987
Buick Regal Limited Turbo 1982
Buick Regal Sport 1982
Buick Regal T-Type 1983
Buick Regal T-Type 1984
Buick Regal T-Type 1985
Buick Regal T-Type 1986
Chevrolet El Camino Base 1982
Chevrolet El Camino Base 1983
Chevrolet El Camino Base 1984
Chevrolet El Camino Base 1985
Chevrolet El Camino Base 1986
Chevrolet El Camino Base 1987
Chevrolet El Camino Conquista 1982
Chevrolet El Camino Conquista 1983
Chevrolet El Camino Conquista 1984
Chevrolet El Camino Conquista 1985
Chevrolet El Camino Conquista 1986
Chevrolet El Camino SS 1982
Chevrolet El Camino SS 1983
Chevrolet El Camino SS 1984
Chevrolet El Camino SS 1985
Chevrolet El Camino SS 1986
Chevrolet El Camino SS 1987
Chevrolet Malibu Base 1978
Chevrolet Malibu Base 1979
Chevrolet Malibu Base 1980
Chevrolet Malibu Base 1981
Chevrolet Malibu Classic 1978
Chevrolet Malibu Classic 1979
Chevrolet Malibu Classic 1980
Chevrolet Malibu Classic 1981
Chevrolet Malibu Classic 1982
Chevrolet Malibu Classic 1983
Chevrolet Malibu Classic Estate 1978
Chevrolet Malibu Classic Estate 1979
Chevrolet Malibu Classic Estate 1980
Chevrolet Malibu Classic Landau 1978
Chevrolet Malibu Classic Landau 1979
Chevrolet Malibu Classic Landau 1980
Chevrolet Malibu Classic Landau 1981
Chevrolet Malibu Classic Sport 1979
Chevrolet Malibu Classic Sport 1980
Chevrolet Malibu Estate 1979
Chevrolet Malibu Estate 1980
Chevrolet Malibu Landau 1979
Chevrolet Malibu Police 1979
Chevrolet Malibu Sport 1979
Chevrolet Malibu Sport 1980
Chevrolet Monte Carlo Base 1982
Chevrolet Monte Carlo Base 1983
Chevrolet Monte Carlo Base 1984
Chevrolet Monte Carlo Base 1985
Chevrolet Monte Carlo Base 1986
Chevrolet Monte Carlo Base 1987
Chevrolet Monte Carlo Base 1988
Chevrolet Monte Carlo CL 1983
Chevrolet Monte Carlo LS 1986
Chevrolet Monte Carlo LS 1987
Chevrolet Monte Carlo LS 1988
Chevrolet Monte Carlo SS 1983
Chevrolet Monte Carlo SS 1984
Chevrolet Monte Carlo SS 1985
Chevrolet Monte Carlo SS 1986
Chevrolet Monte Carlo SS 1987
Chevrolet Monte Carlo SS 1988
GMC Caballero Amarillo 1981
GMC Caballero Amarillo 1982
GMC Caballero Amarillo 1983
GMC Caballero Amarillo 1984
GMC Caballero Amarillo 1985
GMC Caballero Amarillo 1986
GMC Caballero Base 1981
GMC Caballero Base 1982
GMC Caballero Base 1983
GMC Caballero Base 1984
GMC Caballero Base 1985
GMC Caballero Base 1986
GMC Caballero Base 1987
GMC Caballero Conquista 1981
GMC Caballero Diablo 1981
GMC Caballero Diablo 1982
GMC Caballero Diablo 1983
GMC Caballero Diablo 1984
GMC Caballero Diablo 1985
GMC Caballero Diablo 1986
GMC Caballero Diablo 1987
GMC Caballero Royal Knight 1981
Pontiac Bonneville Base 1982
Pontiac Bonneville Base 1983
Pontiac Bonneville Base 1984
Pontiac Bonneville Base 1985
Pontiac Bonneville Base 1986
Pontiac Bonneville Base 1987
Pontiac Bonneville Brougham 1982
Pontiac Bonneville Brougham 1983
Pontiac Bonneville Brougham 1984
Pontiac Bonneville Brougham 1985
Pontiac Bonneville Brougham 1986
Pontiac Bonneville LE 1984
Pontiac Bonneville LE 1985
Pontiac Bonneville LE 1986
Pontiac Bonneville LE 1987
Pontiac Grand Prix Base 1982
Pontiac Grand Prix Base 1983
Pontiac Grand Prix Base 1984
Pontiac Grand Prix Base 1985
Pontiac Grand Prix Base 1986
Pontiac Grand Prix Base 1987
Pontiac Grand Prix Brougham 1982
Pontiac Grand Prix Brougham 1983
Pontiac Grand Prix Brougham 1984
Pontiac Grand Prix Brougham 1985
Pontiac Grand Prix Brougham 1986
Pontiac Grand Prix Brougham 1987
Pontiac Grand Prix LE 1984
Pontiac Grand Prix LE 1985
Pontiac Grand Prix LE 1986
Pontiac Grand Prix LE 1987
Pontiac Grand Prix LJ 1982
Pontiac Grand Prix LJ 1983