QA1 GM Pro Front Coil-Over System - Single Adj. 10in 400lb Flat Aluminum — Fits 1968-1971 GM

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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 GM Pro Front Coil-Over System - Single Adjustable

Elevate the performance and handling of your classic GM vehicle with the QA1 GM Pro Front Coil-Over System. This system is designed for enthusiasts who demand precise control over their suspension. It offers fully adjustable ride height and valving, allowing you to customize your setup for optimal performance on the street or track. The single adjustable feature makes fine-tuning your damping effortless.

Key Features:

  • Adjustable Ride Height: The fully threaded shock body enables precise adjustment of your vehicle's ride height, crucial for achieving the desired stance and optimizing weight balance.
  • Single Adjustable Valving: Easily modify damping characteristics to suit your driving style and specific vehicle setup for improved handling.
  • Lightweight High-Travel Springs: Equipped with American-made, lightweight springs designed for high travel. Their construction reduces unsprung weight and enhances suspension responsiveness.
  • Durable Aluminum Construction: Built with lightweight yet robust aluminum components, ensuring durability and contributing to overall vehicle weight reduction.
  • Flat Spring Design: Features a flat spring end for secure and reliable mounting.
  • Spring Rate: Comes with a 400 lbs/in spring rate and a 10-inch free length, offering a versatile performance balance.

Vehicle Fitment:

This QA1 Pro Coil System is compatible with a range of GM vehicles from 1968 to 1971, including models like the Buick Skylark, Chevrolet Chevelle, El Camino, Oldsmobile Cutlass, and Pontiac GTO/LeMans. Please confirm compatibility with your specific vehicle model and year.

Achieve superior handling and a custom look with this high-quality suspension upgrade. Discover the difference QA1's advanced engineering can make. Explore this premium coil-over system and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968-1969 Buick Special Base
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1968-1972 Chevrolet Chevelle SS
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1971-1972 GMC Sprint Base
1972 GMC Sprint Custom
1968-1971 Oldsmobile 442 Base
1968 Oldsmobile Cutlass S
1968-1972 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1968-1972 Oldsmobile Vista Cruiser Base
1968-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1968-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1968-1969 Pontiac Tempest Custom
1968-1969 Pontiac Tempest Safari
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 GM Pro Front Coil-Over System - Single Adjustable

Elevate the performance and handling of your classic GM vehicle with the QA1 GM Pro Front Coil-Over System. This system is designed for enthusiasts who demand precise control over their suspension. It offers fully adjustable ride height and valving, allowing you to customize your setup for optimal performance on the street or track. The single adjustable feature makes fine-tuning your damping effortless.

Key Features:

  • Adjustable Ride Height: The fully threaded shock body enables precise adjustment of your vehicle's ride height, crucial for achieving the desired stance and optimizing weight balance.
  • Single Adjustable Valving: Easily modify damping characteristics to suit your driving style and specific vehicle setup for improved handling.
  • Lightweight High-Travel Springs: Equipped with American-made, lightweight springs designed for high travel. Their construction reduces unsprung weight and enhances suspension responsiveness.
  • Durable Aluminum Construction: Built with lightweight yet robust aluminum components, ensuring durability and contributing to overall vehicle weight reduction.
  • Flat Spring Design: Features a flat spring end for secure and reliable mounting.
  • Spring Rate: Comes with a 400 lbs/in spring rate and a 10-inch free length, offering a versatile performance balance.

Vehicle Fitment:

This QA1 Pro Coil System is compatible with a range of GM vehicles from 1968 to 1971, including models like the Buick Skylark, Chevrolet Chevelle, El Camino, Oldsmobile Cutlass, and Pontiac GTO/LeMans. Please confirm compatibility with your specific vehicle model and year.

Achieve superior handling and a custom look with this high-quality suspension upgrade. Discover the difference QA1's advanced engineering can make. Explore this premium coil-over system and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968-1969 Buick Special Base
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle Base
1968-1969 Chevrolet Chevelle 300 Deluxe
1968-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1968-1972 Chevrolet Chevelle SS
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1971-1972 GMC Sprint Base
1972 GMC Sprint Custom
1968-1971 Oldsmobile 442 Base
1968 Oldsmobile Cutlass S
1968-1972 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1968-1972 Oldsmobile Vista Cruiser Base
1968-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1968-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1972 Pontiac LeMans Luxury
1968-1969 Pontiac Tempest Custom
1968-1969 Pontiac Tempest Safari
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 GM Pro Front Coil-Over System - Single Adjustable

Elevate the performance and handling of your classic GM vehicle with the QA1 GM Pro Front Coil-Over System. This system is designed for enthusiasts who demand precise control over their suspension. It offers fully adjustable ride height and valving, allowing you to customize your setup for optimal performance on the street or track. The single adjustable feature makes fine-tuning your damping effortless.

Key Features:

  • Adjustable Ride Height: The fully threaded shock body enables precise adjustment of your vehicle's ride height, crucial for achieving the desired stance and optimizing weight balance.
  • Single Adjustable Valving: Easily modify damping characteristics to suit your driving style and specific vehicle setup for improved handling.
  • Lightweight High-Travel Springs: Equipped with American-made, lightweight springs designed for high travel. Their construction reduces unsprung weight and enhances suspension responsiveness.
  • Durable Aluminum Construction: Built with lightweight yet robust aluminum components, ensuring durability and contributing to overall vehicle weight reduction.
  • Flat Spring Design: Features a flat spring end for secure and reliable mounting.
  • Spring Rate: Comes with a 400 lbs/in spring rate and a 10-inch free length, offering a versatile performance balance.

Vehicle Fitment:

This QA1 Pro Coil System is compatible with a range of GM vehicles from 1968 to 1971, including models like the Buick Skylark, Chevrolet Chevelle, El Camino, Oldsmobile Cutlass, and Pontiac GTO/LeMans. Please confirm compatibility with your specific vehicle model and year.

Achieve superior handling and a custom look with this high-quality suspension upgrade. Discover the difference QA1's advanced engineering can make. Explore this premium coil-over system and more performance parts at GGCRACING.

Vehicle Fitment

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

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