UMI Performance 67-72 GM A-Body Factory Height Rear Lowering Springs

SKU: UMI4049R
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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 UMI Performance

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

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UMI Performance Rear Lowering Springs for 1967-1972 GM A-Body

Upgrade your classic muscle car's suspension with UMI Performance's meticulously engineered rear lowering springs, designed for the 1967-1972 GM A-Body platform. Developed with insights from a top Sprint Cup chassis engineer, these springs deliver a significant improvement in handling and ride quality while preserving the authentic muscle car stance.

Superior Engineering and Performance:

  • Precision Rate: Constructed from premium 9254 CrSi wire, these rear springs boast a linear 130 lb/in rate. This consistent spring rate is crucial for predictable vehicle dynamics, especially during high-performance driving scenarios like autocross or Pro-Touring.
  • Reduced Body Roll: The enhanced stiffness effectively minimizes body roll during cornering, providing a more stable and connected feel to the road. Say goodbye to the "floating" sensation often associated with stock A-body suspensions.
  • Modern Handling: Experience a crisp, responsive ride that sharpens steering input and improves overall corner-carving capability, making your classic feel more modern and agile.
  • Durable Finish: Featuring a robust black powder coat, these springs are built to resist corrosion and wear, ensuring longevity and maintaining their appearance.
  • Vehicle Fitment: These rear springs are engineered for a direct fit on a wide range of 1967-1972 GM A-Body models, including Buick Skylark, Special, Chevrolet Chevelle, El Camino, Oldsmobile 442, Cutlass, F85, and Pontiac GTO, LeMans.

Whether you're building a track-day weapon or a stylish cruiser, these UMI Performance rear lowering springs offer the perfect balance of performance, comfort, and durability. Proudly made in the USA, they represent a significant upgrade for any classic GM A-Body enthusiast. Find these and other performance suspension parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1967-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1967 Buick Special Deluxe
1967-1969 Buick Special Base
1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1969 Chevrolet Chevelle 300 Deluxe
1967-1972 Chevrolet Chevelle SS
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1967-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1967 Chevrolet Malibu Base
1967-1971 Oldsmobile 442 Base
1967 Oldsmobile Cutlass Holiday
1967 Oldsmobile Cutlass Turnpike Cruiser
1967-1972 Oldsmobile Cutlass Base
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1967-1972 Oldsmobile F85 Base
1967-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1967-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37

Product Details

Product Description
Part Numbers
Sizing & Fit

About UMI Performance

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

Watch in action

UMI Performance Rear Lowering Springs for 1967-1972 GM A-Body

Upgrade your classic muscle car's suspension with UMI Performance's meticulously engineered rear lowering springs, designed for the 1967-1972 GM A-Body platform. Developed with insights from a top Sprint Cup chassis engineer, these springs deliver a significant improvement in handling and ride quality while preserving the authentic muscle car stance.

Superior Engineering and Performance:

  • Precision Rate: Constructed from premium 9254 CrSi wire, these rear springs boast a linear 130 lb/in rate. This consistent spring rate is crucial for predictable vehicle dynamics, especially during high-performance driving scenarios like autocross or Pro-Touring.
  • Reduced Body Roll: The enhanced stiffness effectively minimizes body roll during cornering, providing a more stable and connected feel to the road. Say goodbye to the "floating" sensation often associated with stock A-body suspensions.
  • Modern Handling: Experience a crisp, responsive ride that sharpens steering input and improves overall corner-carving capability, making your classic feel more modern and agile.
  • Durable Finish: Featuring a robust black powder coat, these springs are built to resist corrosion and wear, ensuring longevity and maintaining their appearance.
  • Vehicle Fitment: These rear springs are engineered for a direct fit on a wide range of 1967-1972 GM A-Body models, including Buick Skylark, Special, Chevrolet Chevelle, El Camino, Oldsmobile 442, Cutlass, F85, and Pontiac GTO, LeMans.

Whether you're building a track-day weapon or a stylish cruiser, these UMI Performance rear lowering springs offer the perfect balance of performance, comfort, and durability. Proudly made in the USA, they represent a significant upgrade for any classic GM A-Body enthusiast. Find these and other performance suspension parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1967-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1967 Buick Special Deluxe
1967-1969 Buick Special Base
1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1969 Chevrolet Chevelle 300 Deluxe
1967-1972 Chevrolet Chevelle SS
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1967-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1967 Chevrolet Malibu Base
1967-1971 Oldsmobile 442 Base
1967 Oldsmobile Cutlass Holiday
1967 Oldsmobile Cutlass Turnpike Cruiser
1967-1972 Oldsmobile Cutlass Base
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1967-1972 Oldsmobile F85 Base
1967-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1967-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37

Product Details

Product Description

About UMI Performance

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

Watch in action

UMI Performance Rear Lowering Springs for 1967-1972 GM A-Body

Upgrade your classic muscle car's suspension with UMI Performance's meticulously engineered rear lowering springs, designed for the 1967-1972 GM A-Body platform. Developed with insights from a top Sprint Cup chassis engineer, these springs deliver a significant improvement in handling and ride quality while preserving the authentic muscle car stance.

Superior Engineering and Performance:

  • Precision Rate: Constructed from premium 9254 CrSi wire, these rear springs boast a linear 130 lb/in rate. This consistent spring rate is crucial for predictable vehicle dynamics, especially during high-performance driving scenarios like autocross or Pro-Touring.
  • Reduced Body Roll: The enhanced stiffness effectively minimizes body roll during cornering, providing a more stable and connected feel to the road. Say goodbye to the "floating" sensation often associated with stock A-body suspensions.
  • Modern Handling: Experience a crisp, responsive ride that sharpens steering input and improves overall corner-carving capability, making your classic feel more modern and agile.
  • Durable Finish: Featuring a robust black powder coat, these springs are built to resist corrosion and wear, ensuring longevity and maintaining their appearance.
  • Vehicle Fitment: These rear springs are engineered for a direct fit on a wide range of 1967-1972 GM A-Body models, including Buick Skylark, Special, Chevrolet Chevelle, El Camino, Oldsmobile 442, Cutlass, F85, and Pontiac GTO, LeMans.

Whether you're building a track-day weapon or a stylish cruiser, these UMI Performance rear lowering springs offer the perfect balance of performance, comfort, and durability. Proudly made in the USA, they represent a significant upgrade for any classic GM A-Body enthusiast. Find these and other performance suspension parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1967-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1967 Buick Special Deluxe
1967-1969 Buick Special Base
1967 Chevrolet Chevelle Deluxe
1967-1968 Chevrolet Chevelle 300
1967-1969 Chevrolet Chevelle 300 Deluxe
1967-1972 Chevrolet Chevelle SS
1967-1972 Chevrolet Chevelle Concours
1968-1972 Chevrolet Chevelle Malibu
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1970-1972 Chevrolet Chevelle Base
1967-1972 Chevrolet El Camino Base
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1967 Chevrolet Malibu Base
1967-1971 Oldsmobile 442 Base
1967 Oldsmobile Cutlass Holiday
1967 Oldsmobile Cutlass Turnpike Cruiser
1967-1972 Oldsmobile Cutlass Base
1968 Oldsmobile Cutlass S
1971-1972 Oldsmobile Cutlass S
1967-1972 Oldsmobile F85 Base
1967-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1967-1972 Pontiac LeMans Base
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37

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