UMI Performance 64-72 GM A-Body 1" Front Lowering Springs

SKU: UMI4050F

About UMI Performance UMI Performance engineers high-quality automotive parts and ...Read more

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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

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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 1" Front Lowering Springs for 1964-1972 GM A-Body

Transform the stance and handling of your classic GM A-Body with UMI Performance's 1-inch front lowering springs. Engineered for precision and performance, these springs are designed to reduce front-end height, improve cornering, and provide a more aggressive look for your vehicle.

Performance-Tuned Front Suspension:

  • Optimized Ride Height: These springs are specifically designed to lower the front of your 1964-1972 GM A-Body by approximately 1 inch, creating a more desirable, performance-oriented stance.
  • Premium Materials: Constructed from high-strength 5160 CrSi premium wire, these springs are built to withstand the demands of spirited driving and offer exceptional durability.
  • Linear Spring Rate: Featuring a linear 530 lb/in rate, these springs provide increased stiffness compared to stock. This enhancement significantly reduces front-end dive during braking and minimizes body roll during cornering, leading to a more controlled and responsive driving experience.
  • Engine Compatibility: The spring rate is calibrated to work effectively with various engine configurations, including standard Small Block Chevys, Big Blocks with aluminum heads and intakes, and LS engine swaps. For lighter vehicles, minor spring trimming might be necessary to achieve the perfect ride height.
  • Broad Application: These front lowering springs are compatible with a wide range of GM A-Body models from 1964 to 1972, including Buick Skylark, Chevrolet Chevelle, El Camino, Oldsmobile Cutlass, and Pontiac GTO, LeMans.

Achieve a lower center of gravity and sharper handling with these UMI Performance front lowering springs. Made in the USA, they represent a commitment to quality and performance for your classic muscle car. Find the best suspension upgrades for your vehicle at GGCRACING.

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 1" Front Lowering Springs for 1964-1972 GM A-Body

Transform the stance and handling of your classic GM A-Body with UMI Performance's 1-inch front lowering springs. Engineered for precision and performance, these springs are designed to reduce front-end height, improve cornering, and provide a more aggressive look for your vehicle.

Performance-Tuned Front Suspension:

  • Optimized Ride Height: These springs are specifically designed to lower the front of your 1964-1972 GM A-Body by approximately 1 inch, creating a more desirable, performance-oriented stance.
  • Premium Materials: Constructed from high-strength 5160 CrSi premium wire, these springs are built to withstand the demands of spirited driving and offer exceptional durability.
  • Linear Spring Rate: Featuring a linear 530 lb/in rate, these springs provide increased stiffness compared to stock. This enhancement significantly reduces front-end dive during braking and minimizes body roll during cornering, leading to a more controlled and responsive driving experience.
  • Engine Compatibility: The spring rate is calibrated to work effectively with various engine configurations, including standard Small Block Chevys, Big Blocks with aluminum heads and intakes, and LS engine swaps. For lighter vehicles, minor spring trimming might be necessary to achieve the perfect ride height.
  • Broad Application: These front lowering springs are compatible with a wide range of GM A-Body models from 1964 to 1972, including Buick Skylark, Chevrolet Chevelle, El Camino, Oldsmobile Cutlass, and Pontiac GTO, LeMans.

Achieve a lower center of gravity and sharper handling with these UMI Performance front lowering springs. Made in the USA, they represent a commitment to quality and performance for your classic muscle car. Find the best suspension upgrades for your vehicle at GGCRACING.

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