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

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SKU: QAPRCK52337
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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

Enhance the performance and handling of your classic 1964-1972 GM A-body or G-body vehicle with the QA1 Pro Rear Coil-Over Conversion System. This meticulously engineered kit is designed for a direct bolt-in installation, eliminating the need for complex modifications. It features USA-made mounting brackets, high-quality aluminum shocks, and precisely tuned springs to transform your vehicle's suspension.

Double Adjustable Shocks for Ultimate Tuning

This specific system includes QA1's double adjustable shocks, offering unparalleled control over your vehicle's ride characteristics. With 18 positions of compression adjustment and 18 positions of rebound adjustment, you can achieve up to 324 unique valving combinations. This allows you to fine-tune your suspension for optimal performance on the street, at the drag strip, or on the road course. The fully threaded shock bodies also enable easy ride height adjustment, allowing you to achieve the perfect stance and lower your vehicle's center of gravity for improved cornering.

  • Bolt-in design for 1964-1972 GM A/G-Body vehicles
  • Includes USA-made mounting brackets, aluminum shocks, and springs
  • Double adjustable shocks offer 324 valving combinations (18 compression, 18 rebound)
  • Threaded shock bodies for adjustable ride height
  • Available in various spring rate options to suit your application
  • Improves handling, reduces body roll, and enhances overall driving experience

Whether you're building a street machine, a dedicated race car, or anything in between, the QA1 Pro Rear Coil-Over Conversion System provides the adjustability and performance you need. Experience the difference quality engineering makes with QA1.

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

Enhance the performance and handling of your classic 1964-1972 GM A-body or G-body vehicle with the QA1 Pro Rear Coil-Over Conversion System. This meticulously engineered kit is designed for a direct bolt-in installation, eliminating the need for complex modifications. It features USA-made mounting brackets, high-quality aluminum shocks, and precisely tuned springs to transform your vehicle's suspension.

Double Adjustable Shocks for Ultimate Tuning

This specific system includes QA1's double adjustable shocks, offering unparalleled control over your vehicle's ride characteristics. With 18 positions of compression adjustment and 18 positions of rebound adjustment, you can achieve up to 324 unique valving combinations. This allows you to fine-tune your suspension for optimal performance on the street, at the drag strip, or on the road course. The fully threaded shock bodies also enable easy ride height adjustment, allowing you to achieve the perfect stance and lower your vehicle's center of gravity for improved cornering.

  • Bolt-in design for 1964-1972 GM A/G-Body vehicles
  • Includes USA-made mounting brackets, aluminum shocks, and springs
  • Double adjustable shocks offer 324 valving combinations (18 compression, 18 rebound)
  • Threaded shock bodies for adjustable ride height
  • Available in various spring rate options to suit your application
  • Improves handling, reduces body roll, and enhances overall driving experience

Whether you're building a street machine, a dedicated race car, or anything in between, the QA1 Pro Rear Coil-Over Conversion System provides the adjustability and performance you need. Experience the difference quality engineering makes with QA1.

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

Enhance the performance and handling of your classic 1964-1972 GM A-body or G-body vehicle with the QA1 Pro Rear Coil-Over Conversion System. This meticulously engineered kit is designed for a direct bolt-in installation, eliminating the need for complex modifications. It features USA-made mounting brackets, high-quality aluminum shocks, and precisely tuned springs to transform your vehicle's suspension.

Double Adjustable Shocks for Ultimate Tuning

This specific system includes QA1's double adjustable shocks, offering unparalleled control over your vehicle's ride characteristics. With 18 positions of compression adjustment and 18 positions of rebound adjustment, you can achieve up to 324 unique valving combinations. This allows you to fine-tune your suspension for optimal performance on the street, at the drag strip, or on the road course. The fully threaded shock bodies also enable easy ride height adjustment, allowing you to achieve the perfect stance and lower your vehicle's center of gravity for improved cornering.

  • Bolt-in design for 1964-1972 GM A/G-Body vehicles
  • Includes USA-made mounting brackets, aluminum shocks, and springs
  • Double adjustable shocks offer 324 valving combinations (18 compression, 18 rebound)
  • Threaded shock bodies for adjustable ride height
  • Available in various spring rate options to suit your application
  • Improves handling, reduces body roll, and enhances overall driving experience

Whether you're building a street machine, a dedicated race car, or anything in between, the QA1 Pro Rear Coil-Over Conversion System provides the adjustability and performance you need. Experience the difference quality engineering makes with QA1.

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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