QA1 78-96 GM B-Body Pro Rear Coil-Over System - Single Adj. - 12in x 300lbs/in - Aluminum

Rear Pro Coil shock for 78-96 GM B-bodies. Single adjustable and includes all mounting hardware, brackets, two shocks and springs with a spring rate of 300. QA1 offers bolt-in Rear Coil-Over Conversion Kits for 1978-1996 GM B-Bodies. These kits include specially designed USA made mounting brackets and single or double adjustable aluminum shocks, springs and all necessary hardware. Single adjustable shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double adjustable shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for a total of 324 possible valving combinations. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Specially designed for QA1's Pro Coil Systems, the American-made lightweight high travel springs have fewer coils and a smaller wire diameter, resulting in increased travel due to the larger distance between the coils. They reduce unsprung weight and react faster, optimizing suspension performance. Multiple spring rate options are also available and have been successfully tested in various applications, from casual street driving to hard core race applications. With our highly popular adjustable front coil-over kits and the addition of the rear coil-over conversion kit, you can now get a complete suspension makeover for both ends of the vehicle. Made in the U.S.A., Easy, Bolt-In Installation, No Cutting or Welding, Coil-Over, Ride Height Adjustable, 100% Dyno Tested and Serialized, Rebuildable and Revalveable by the QA1 Factory or QA1 Authorized Service Centers, Kit Will Lower the Vehicle, Conversion Kit Note: Later model vehicles tend to weigh more on average. Please take this into account when ordering springs. Call QA1 tech at 952.985.5675 for questions. Pro Coil Systems include:, 2 Shocks, 2 High Travel Springs, All Mounting Brackets and Hardware.

• 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.

The QA1 Pro Rear Coil-Over System is designed specifically for 1978-1996 GM B-body vehicles, including models like the Pontiac Parisienne and Oldsmobile Delta 88. This bolt-in kit offers a comprehensive suspension upgrade, featuring all necessary mounting hardware, brackets, two shocks, and high-performance springs. The system's springs have a spring rate of 300 lbs/in, providing an optimal balance between comfort and handling for a variety of driving conditions.

Designed for easy installation without cutting or welding, the QA1 system is a perfect choice for enthusiasts seeking a reliable upgrade. The single adjustable shocks provide 18 positions of rebound and compression adjustment, allowing drivers to fine-tune ride quality and handling characteristics. The fully threaded shock bodies enable precise ride height adjustments, helping achieve the desired stance and weight distribution for superior performance. Made in the USA, these lightweight high travel springs have fewer coils and a smaller wire diameter, which increases travel and reduces unsprung weight, resulting in improved suspension responsiveness and control.

Whether used for street driving or competitive racing, the QA1 rear coil-over system enhances vehicle dynamics through adjustable valving and high-quality components. The kit includes two shocks, two high travel springs, all mounting brackets, and hardware, providing a complete upgrade for both the front and rear suspension. The system is rebuildable and revalveable at QA1 authorized service centers, ensuring longevity and ongoing performance adjustments. With a limited lifetime warranty, this coil-over system offers peace of mind and is proudly made in the USA.

Features:

• Single adjustable shocks with 18 rebound and compression positions for precise tuning

• Allows ride height adjustment for optimal stance and handling

• Includes all mounting hardware, brackets, shocks, and high travel springs

• Springs have a spring rate of 300 lbs/in, reducing unsprung weight and increasing travel

• Designed for easy bolt-in installation with no cutting or welding required

• Rebuildable and revalveable at authorized service centers

• Made in the USA with high-quality, lightweight components

• Provides a balance of ride comfort and performance handling

• Suitable for a wide range of applications from street to racing

• Limited lifetime warranty for added durability and peace of mind

Fitment:
Buick Estate Wagon Base 1978
Buick Estate Wagon Base 1979
Buick Estate Wagon Base 1980
Buick Estate Wagon Base 1981
Buick Estate Wagon Base 1982
Buick Estate Wagon Base 1983
Buick LeSabre Base 1978
Buick LeSabre Base 1979
Buick LeSabre Base 1980
Buick LeSabre Base 1981
Buick LeSabre Collector's Edition 1985
Buick LeSabre Custom 1978
Buick LeSabre Custom 1982
Buick LeSabre Custom 1983
Buick LeSabre Custom 1984
Buick LeSabre Custom 1985
Buick LeSabre Estate Wagon 1985
Buick LeSabre Limited 1979
Buick LeSabre Limited 1980
Buick LeSabre Limited 1981
Buick LeSabre Limited 1982
Buick LeSabre Limited 1983
Buick LeSabre Limited 1984
Buick LeSabre Limited 1985
Buick LeSabre Limited Edition F/E 1982
Buick LeSabre Sport 1978
Buick LeSabre Sport 1979
Buick LeSabre Sport 1980
Buick LeSabre Sport 1981
Buick Roadmaster Base 1992
Buick Roadmaster Base 1993
Buick Roadmaster Base 1994
Buick Roadmaster Base 1995
Buick Roadmaster Collector's Edition 1996
Buick Roadmaster Estate Wagon 1991
Buick Roadmaster Estate Wagon 1992
Buick Roadmaster Estate Wagon 1993
Buick Roadmaster Estate Wagon 1994
Buick Roadmaster Estate Wagon 1995
Buick Roadmaster Estate Wagon Collector's Edition 1996
Buick Roadmaster Limited 1992
Buick Roadmaster Limited 1993
Buick Roadmaster Limited 1994
Buick Roadmaster Limited 1995
Buick Roadmaster Limited Collector's Edition 1996
Chevrolet Caprice Base 1986
Chevrolet Caprice Base 1987
Chevrolet Caprice Base 1988
Chevrolet Caprice Base 1989
Chevrolet Caprice Base 1990
Chevrolet Caprice Base 1991
Chevrolet Caprice Base 1992
Chevrolet Caprice Classic 1978
Chevrolet Caprice Classic 1979
Chevrolet Caprice Classic 1980
Chevrolet Caprice Classic 1981
Chevrolet Caprice Classic 1982
Chevrolet Caprice Classic 1983
Chevrolet Caprice Classic 1984
Chevrolet Caprice Classic 1985
Chevrolet Caprice Classic 1986
Chevrolet Caprice Classic 1987
Chevrolet Caprice Classic 1988
Chevrolet Caprice Classic 1989
Chevrolet Caprice Classic 1990
Chevrolet Caprice Classic 1991
Chevrolet Caprice Classic 1992
Chevrolet Caprice Classic 1993
Chevrolet Caprice Classic 1994
Chevrolet Caprice Classic 1995
Chevrolet Caprice Classic 1996
Chevrolet Caprice Classic Brougham 1986
Chevrolet Caprice Classic Brougham 1987
Chevrolet Caprice Classic Brougham 1988
Chevrolet Caprice Classic Brougham 1989
Chevrolet Caprice Classic Brougham 1990
Chevrolet Caprice Classic Estate 1978
Chevrolet Caprice Classic Estate 1981
Chevrolet Caprice Classic Estate 1982
Chevrolet Caprice Classic Landau 1978
Chevrolet Caprice Classic Landau 1979
Chevrolet Caprice Classic Landau 1980
Chevrolet Caprice Classic Landau 1981
Chevrolet Caprice Classic LS 1993
Chevrolet Caprice Classic LS 1994
Chevrolet Caprice Classic LS Brougham 1987
Chevrolet Caprice Classic LS Brougham 1988
Chevrolet Caprice Classic LS Brougham 1989
Chevrolet Caprice Classic LS Brougham 1990
Chevrolet Caprice Classic LTZ 1991
Chevrolet Caprice Classic LTZ 1992
Chevrolet Caprice Classic LTZ 1993
Chevrolet Caprice Classic Sport 1979
Chevrolet Caprice Classic Sport 1980
Chevrolet Impala Base 1978
Chevrolet Impala Base 1979
Chevrolet Impala Base 1980
Chevrolet Impala Base 1981
Chevrolet Impala Base 1982
Chevrolet Impala Base 1983
Chevrolet Impala Base 1984
Chevrolet Impala Base 1985
Chevrolet Impala Estate 1981
Chevrolet Impala Estate 1982
Chevrolet Impala Landau 1978
Chevrolet Impala Landau 1979
Chevrolet Impala Sport 1979
Chevrolet Impala Sport 1980
Chevrolet Impala SS 1994
Chevrolet Impala SS 1995
Chevrolet Impala SS 1996
Oldsmobile Custom Cruiser Base 1978
Oldsmobile Custom Cruiser Base 1979
Oldsmobile Custom Cruiser Base 1980
Oldsmobile Custom Cruiser Base 1981
Oldsmobile Custom Cruiser Base 1982
Oldsmobile Custom Cruiser Base 1983
Oldsmobile Custom Cruiser Base 1984
Oldsmobile Custom Cruiser Base 1985
Oldsmobile Custom Cruiser Base 1986
Oldsmobile Custom Cruiser Base 1987
Oldsmobile Custom Cruiser Base 1988
Oldsmobile Custom Cruiser Base 1989
Oldsmobile Custom Cruiser Base 1990
Oldsmobile Custom Cruiser Base 1991
Oldsmobile Custom Cruiser Base 1992
Oldsmobile Delta 88 Base 1978
Oldsmobile Delta 88 Base 1979
Oldsmobile Delta 88 Base 1980
Oldsmobile Delta 88 Base 1981
Oldsmobile Delta 88 Base 1982
Oldsmobile Delta 88 Base 1983
Oldsmobile Delta 88 Holiday 1980
Oldsmobile Delta 88 Holiday 1981
Oldsmobile Delta 88 Royale 1978
Oldsmobile Delta 88 Royale 1979
Oldsmobile Delta 88 Royale 1980
Oldsmobile Delta 88 Royale 1981
Oldsmobile Delta 88 Royale 1982
Oldsmobile Delta 88 Royale 1983
Oldsmobile Delta 88 Royale 1984
Oldsmobile Delta 88 Royale 1985
Oldsmobile Delta 88 Royale Brougham 1980
Oldsmobile Delta 88 Royale Brougham 1981
Oldsmobile Delta 88 Royale Brougham 1982
Oldsmobile Delta 88 Royale Brougham 1983
Oldsmobile Delta 88 Royale Brougham 1984
Oldsmobile Delta 88 Royale Brougham 1985
Oldsmobile Delta 88 Royale Brougham LS 1984
Oldsmobile Delta 88 Royale Brougham LS 1985
Pontiac Bonneville Base 1978
Pontiac Bonneville Base 1979
Pontiac Bonneville Base 1980
Pontiac Bonneville Base 1981
Pontiac Bonneville Brougham 1978
Pontiac Bonneville Brougham 1979
Pontiac Bonneville Brougham 1980
Pontiac Bonneville Brougham 1981
Pontiac Bonneville Safari 1978
Pontiac Bonneville Safari 1979
Pontiac Bonneville Safari 1980
Pontiac Bonneville Safari 1981
Pontiac Catalina Base 1978
Pontiac Catalina Base 1979
Pontiac Catalina Base 1980
Pontiac Catalina Base 1981
Pontiac Catalina Safari 1978
Pontiac Catalina Safari 1979
Pontiac Catalina Safari 1980
Pontiac Catalina Safari 1981
Pontiac Parisienne Base 1983
Pontiac Parisienne Base 1984
Pontiac Parisienne Base 1985
Pontiac Parisienne Base 1986
Pontiac Parisienne Brougham 1983
Pontiac Parisienne Brougham 1984
Pontiac Parisienne Brougham 1985
Pontiac Parisienne Brougham 1986
Pontiac Safari Base 1987
Pontiac Safari Base 1988
Pontiac Safari Base 1989