QA1 64-72 GM A/G-Body Pro Rear Coil-Over System - Single Adj. - 12in x 170lbs/in - Aluminum

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SKU: QAPRCK52341
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 Pro Rear Coil-Over Conversion System for 1964-1972 GM A/G-Body

Upgrade your classic 1964-1972 GM A-body or G-body vehicle with the QA1 Pro Rear Coil-Over Conversion System. Designed for a straightforward bolt-in installation, this kit eliminates the need for complex modifications. It includes robust, USA-made mounting brackets, lightweight aluminum shocks, and precisely matched springs to significantly improve your vehicle's suspension performance and aesthetics.

Single Adjustable Shocks for Optimized Handling

This system features QA1's single adjustable shocks, offering excellent control over your vehicle's ride and handling characteristics. With 18 distinct positions for simultaneous rebound and compression adjustment, you can easily fine-tune your suspension for optimal performance on the street or track. The fully threaded shock bodies allow for simple ride height adjustments, enabling you to lower your vehicle's center of gravity for improved cornering capabilities and a custom stance. This is an ideal upgrade for drivers seeking a noticeable improvement in handling and adjustability.

  • Direct bolt-in fitment for 1964-1972 GM A/G-Body models
  • Includes durable mounting brackets, aluminum shocks, and springs
  • Single adjustable shocks provide 18 positions for rebound and compression tuning
  • Adjustable ride height via threaded shock bodies for perfect stance
  • Multiple spring rate options available to suit diverse driving needs
  • Delivers enhanced grip, reduced body roll, and a more responsive driving experience

Whether your classic GM is built for daily driving, spirited canyon runs, or occasional track days, the QA1 Pro Rear Coil-Over Conversion System offers a substantial performance enhancement. Experience the quality and precision of QA1 suspension components.

Vehicle Fitment

Years Make Model Trim
1965-1967 Buick Gran Sport Base
1964-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1964-1967 Buick Special Deluxe
1964-1969 Buick Special Base
1964-1968 Chevrolet Chevelle Base
1964-1972 Chevrolet Chevelle SS
1965-1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Nomad
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1964-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1964-1967 Chevrolet Malibu Base
1970-1972 Chevrolet Monte Carlo Base
1972 GMC Sprint Custom
1964-1971 Oldsmobile 442 Base
1964-1967 Oldsmobile Cutlass Holiday
1964-1972 Oldsmobile Cutlass Base
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1972 Oldsmobile Cutlass Cruiser
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1972 Oldsmobile Vista Cruiser Base
1964-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1969-1972 Pontiac Grand Prix Base
1964-1972 Pontiac LeMans Base
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1964-1969 Pontiac Tempest Custom
1964-1969 Pontiac Tempest Safari
1964-1970 Pontiac Tempest Base
1970 Pontiac Tempest GT

Product Details

Product Description
Part Numbers
Sizing & Fit

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 Pro Rear Coil-Over Conversion System for 1964-1972 GM A/G-Body

Upgrade your classic 1964-1972 GM A-body or G-body vehicle with the QA1 Pro Rear Coil-Over Conversion System. Designed for a straightforward bolt-in installation, this kit eliminates the need for complex modifications. It includes robust, USA-made mounting brackets, lightweight aluminum shocks, and precisely matched springs to significantly improve your vehicle's suspension performance and aesthetics.

Single Adjustable Shocks for Optimized Handling

This system features QA1's single adjustable shocks, offering excellent control over your vehicle's ride and handling characteristics. With 18 distinct positions for simultaneous rebound and compression adjustment, you can easily fine-tune your suspension for optimal performance on the street or track. The fully threaded shock bodies allow for simple ride height adjustments, enabling you to lower your vehicle's center of gravity for improved cornering capabilities and a custom stance. This is an ideal upgrade for drivers seeking a noticeable improvement in handling and adjustability.

  • Direct bolt-in fitment for 1964-1972 GM A/G-Body models
  • Includes durable mounting brackets, aluminum shocks, and springs
  • Single adjustable shocks provide 18 positions for rebound and compression tuning
  • Adjustable ride height via threaded shock bodies for perfect stance
  • Multiple spring rate options available to suit diverse driving needs
  • Delivers enhanced grip, reduced body roll, and a more responsive driving experience

Whether your classic GM is built for daily driving, spirited canyon runs, or occasional track days, the QA1 Pro Rear Coil-Over Conversion System offers a substantial performance enhancement. Experience the quality and precision of QA1 suspension components.

Vehicle Fitment

Years Make Model Trim
1965-1967 Buick Gran Sport Base
1964-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1964-1967 Buick Special Deluxe
1964-1969 Buick Special Base
1964-1968 Chevrolet Chevelle Base
1964-1972 Chevrolet Chevelle SS
1965-1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Nomad
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1964-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1964-1967 Chevrolet Malibu Base
1970-1972 Chevrolet Monte Carlo Base
1972 GMC Sprint Custom
1964-1971 Oldsmobile 442 Base
1964-1967 Oldsmobile Cutlass Holiday
1964-1972 Oldsmobile Cutlass Base
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1972 Oldsmobile Cutlass Cruiser
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1972 Oldsmobile Vista Cruiser Base
1964-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1969-1972 Pontiac Grand Prix Base
1964-1972 Pontiac LeMans Base
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1964-1969 Pontiac Tempest Custom
1964-1969 Pontiac Tempest Safari
1964-1970 Pontiac Tempest Base
1970 Pontiac Tempest GT

Product Details

Product Description

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

QA1 Pro Rear Coil-Over Conversion System for 1964-1972 GM A/G-Body

Upgrade your classic 1964-1972 GM A-body or G-body vehicle with the QA1 Pro Rear Coil-Over Conversion System. Designed for a straightforward bolt-in installation, this kit eliminates the need for complex modifications. It includes robust, USA-made mounting brackets, lightweight aluminum shocks, and precisely matched springs to significantly improve your vehicle's suspension performance and aesthetics.

Single Adjustable Shocks for Optimized Handling

This system features QA1's single adjustable shocks, offering excellent control over your vehicle's ride and handling characteristics. With 18 distinct positions for simultaneous rebound and compression adjustment, you can easily fine-tune your suspension for optimal performance on the street or track. The fully threaded shock bodies allow for simple ride height adjustments, enabling you to lower your vehicle's center of gravity for improved cornering capabilities and a custom stance. This is an ideal upgrade for drivers seeking a noticeable improvement in handling and adjustability.

  • Direct bolt-in fitment for 1964-1972 GM A/G-Body models
  • Includes durable mounting brackets, aluminum shocks, and springs
  • Single adjustable shocks provide 18 positions for rebound and compression tuning
  • Adjustable ride height via threaded shock bodies for perfect stance
  • Multiple spring rate options available to suit diverse driving needs
  • Delivers enhanced grip, reduced body roll, and a more responsive driving experience

Whether your classic GM is built for daily driving, spirited canyon runs, or occasional track days, the QA1 Pro Rear Coil-Over Conversion System offers a substantial performance enhancement. Experience the quality and precision of QA1 suspension components.

Vehicle Fitment

Years Make Model Trim
1965-1967 Buick Gran Sport Base
1964-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1964-1967 Buick Special Deluxe
1964-1969 Buick Special Base
1964-1968 Chevrolet Chevelle Base
1964-1972 Chevrolet Chevelle SS
1965-1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Nomad
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1964-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1964-1967 Chevrolet Malibu Base
1970-1972 Chevrolet Monte Carlo Base
1972 GMC Sprint Custom
1964-1971 Oldsmobile 442 Base
1964-1967 Oldsmobile Cutlass Holiday
1964-1972 Oldsmobile Cutlass Base
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1972 Oldsmobile Cutlass Cruiser
1964-1967 Oldsmobile Vista Cruiser Custom
1964-1972 Oldsmobile Vista Cruiser Base
1964-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1969-1972 Pontiac Grand Prix Base
1964-1972 Pontiac LeMans Base
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1964-1969 Pontiac Tempest Custom
1964-1969 Pontiac Tempest Safari
1964-1970 Pontiac Tempest Base
1970 Pontiac Tempest GT

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