UMI Performance 78-88 GM G-Body Front 1in Lowering Spring

SKU: UMI3050F
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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.

UMI Performance Front Lowering Spring for 1978-1988 GM G-Body

Achieve a lower center of gravity and improved handling with the UMI Performance Front Lowering Spring, specifically designed for the 1978-1988 GM G-Body platform. Engineered in collaboration with a leading Sprint Cup chassis engineer, these springs offer a significant upgrade over stock components.

Performance & Design:

  • Optimized Rate: Features a linear 600 lb/in rate, providing a stiffer ride than stock to enhance performance, reduce body roll, and lower the vehicle's center of gravity.
  • Premium Material: Wound from high-quality 5160 CrSi premium wire for exceptional durability and consistent performance.
  • Lowered Stance: Engineered to provide approximately a 2.5-inch drop, giving your G-Body a more aggressive and sporty appearance.
  • Versatile Application: Ideal for autocross, Pro-Touring builds, spirited street driving, and general corner carving.
  • Compatibility: Suitable for standard SBC applications and can be used on full-weight Big Block applications when a slight nose-down rake is desired. Lightened vehicles may require spring trimming for optimal results.

These UMI Performance front springs are meticulously crafted to deliver a superior driving experience, combining enhanced aesthetics with tangible performance benefits. Upgrade your G-Body's suspension for better road feel and control.

Find top-tier suspension components for your classic vehicle at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Base
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1970-1972 Chevrolet Camaro SS
1970-1973 Chevrolet Camaro RS
1970-1974 Chevrolet Camaro Z28
1970-1980 Chevrolet Camaro Base
1973-1978 Chevrolet Camaro LT
1975 Chevrolet Camaro RS
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28
1979-1981 Chevrolet Camaro Berlinetta
1981 Chevrolet Camaro Sport
1978 Chevrolet El Camino Conquista
1978-1987 Chevrolet El Camino SS
1978-1987 Chevrolet El Camino Base
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1978-1980 Chevrolet Malibu Classic Estate
1978-1981 Chevrolet Malibu Base
1978-1981 Chevrolet Malibu Classic Landau
1978-1983 Chevrolet Malibu Classic
1979 Chevrolet Malibu Landau
1979 Chevrolet Malibu Police
1979-1980 Chevrolet Malibu Classic Sport
1979-1980 Chevrolet Malibu Estate
1979-1980 Chevrolet Malibu Sport
1978 Chevrolet Monte Carlo Sport
1978-1981 Chevrolet Monte Carlo Landau
1979 Chevrolet Monte Carlo Base
1980 Chevrolet Monte Carlo Sport
1981-1988 Chevrolet Monte Carlo Base
1983 Chevrolet Monte Carlo CL
1983-1988 Chevrolet Monte Carlo SS
1986-1988 Chevrolet Monte Carlo LS
1978-1979 Oldsmobile Cutlass Vista Cruiser
1979 Oldsmobile Cutlass Vista Cruiser Brougham
1980 Oldsmobile Cutlass Base
1980-1981 Oldsmobile Cutlass Brougham
1980-1981 Oldsmobile Cutlass LS
1978-1984 Oldsmobile Cutlass Calais Base
1983-1984 Oldsmobile Cutlass Calais Hurst
1982-1983 Oldsmobile Cutlass Ciera Base
1982-1988 Oldsmobile Cutlass Ciera Brougham
1982-1988 Oldsmobile Cutlass Ciera LS
1983 Oldsmobile Cutlass Ciera ES
1984-1985 Oldsmobile Cutlass Ciera Cruiser LS
1985-1986 Oldsmobile Cutlass Ciera ES
1985-1986 Oldsmobile Cutlass Ciera Holiday
1985-1987 Oldsmobile Cutlass Ciera GT
1986-1988 Oldsmobile Cutlass Ciera S
1986-1988 Oldsmobile Cutlass Ciera SL
1988 Oldsmobile Cutlass Ciera Base
1988 Oldsmobile Cutlass Ciera International

…and 30 additional fitments. Contact us to confirm yours.

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.

UMI Performance Front Lowering Spring for 1978-1988 GM G-Body

Achieve a lower center of gravity and improved handling with the UMI Performance Front Lowering Spring, specifically designed for the 1978-1988 GM G-Body platform. Engineered in collaboration with a leading Sprint Cup chassis engineer, these springs offer a significant upgrade over stock components.

Performance & Design:

  • Optimized Rate: Features a linear 600 lb/in rate, providing a stiffer ride than stock to enhance performance, reduce body roll, and lower the vehicle's center of gravity.
  • Premium Material: Wound from high-quality 5160 CrSi premium wire for exceptional durability and consistent performance.
  • Lowered Stance: Engineered to provide approximately a 2.5-inch drop, giving your G-Body a more aggressive and sporty appearance.
  • Versatile Application: Ideal for autocross, Pro-Touring builds, spirited street driving, and general corner carving.
  • Compatibility: Suitable for standard SBC applications and can be used on full-weight Big Block applications when a slight nose-down rake is desired. Lightened vehicles may require spring trimming for optimal results.

These UMI Performance front springs are meticulously crafted to deliver a superior driving experience, combining enhanced aesthetics with tangible performance benefits. Upgrade your G-Body's suspension for better road feel and control.

Find top-tier suspension components for your classic vehicle at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Base
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1970-1972 Chevrolet Camaro SS
1970-1973 Chevrolet Camaro RS
1970-1974 Chevrolet Camaro Z28
1970-1980 Chevrolet Camaro Base
1973-1978 Chevrolet Camaro LT
1975 Chevrolet Camaro RS
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28
1979-1981 Chevrolet Camaro Berlinetta
1981 Chevrolet Camaro Sport
1978 Chevrolet El Camino Conquista
1978-1987 Chevrolet El Camino SS
1978-1987 Chevrolet El Camino Base
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1978-1980 Chevrolet Malibu Classic Estate
1978-1981 Chevrolet Malibu Base
1978-1981 Chevrolet Malibu Classic Landau
1978-1983 Chevrolet Malibu Classic
1979 Chevrolet Malibu Landau
1979 Chevrolet Malibu Police
1979-1980 Chevrolet Malibu Classic Sport
1979-1980 Chevrolet Malibu Estate
1979-1980 Chevrolet Malibu Sport
1978 Chevrolet Monte Carlo Sport
1978-1981 Chevrolet Monte Carlo Landau
1979 Chevrolet Monte Carlo Base
1980 Chevrolet Monte Carlo Sport
1981-1988 Chevrolet Monte Carlo Base
1983 Chevrolet Monte Carlo CL
1983-1988 Chevrolet Monte Carlo SS
1986-1988 Chevrolet Monte Carlo LS
1978-1979 Oldsmobile Cutlass Vista Cruiser
1979 Oldsmobile Cutlass Vista Cruiser Brougham
1980 Oldsmobile Cutlass Base
1980-1981 Oldsmobile Cutlass Brougham
1980-1981 Oldsmobile Cutlass LS
1978-1984 Oldsmobile Cutlass Calais Base
1983-1984 Oldsmobile Cutlass Calais Hurst
1982-1983 Oldsmobile Cutlass Ciera Base
1982-1988 Oldsmobile Cutlass Ciera Brougham
1982-1988 Oldsmobile Cutlass Ciera LS
1983 Oldsmobile Cutlass Ciera ES
1984-1985 Oldsmobile Cutlass Ciera Cruiser LS
1985-1986 Oldsmobile Cutlass Ciera ES
1985-1986 Oldsmobile Cutlass Ciera Holiday
1985-1987 Oldsmobile Cutlass Ciera GT
1986-1988 Oldsmobile Cutlass Ciera S
1986-1988 Oldsmobile Cutlass Ciera SL
1988 Oldsmobile Cutlass Ciera Base
1988 Oldsmobile Cutlass Ciera International

…and 30 additional fitments. Contact us to confirm yours.

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.

UMI Performance Front Lowering Spring for 1978-1988 GM G-Body

Achieve a lower center of gravity and improved handling with the UMI Performance Front Lowering Spring, specifically designed for the 1978-1988 GM G-Body platform. Engineered in collaboration with a leading Sprint Cup chassis engineer, these springs offer a significant upgrade over stock components.

Performance & Design:

  • Optimized Rate: Features a linear 600 lb/in rate, providing a stiffer ride than stock to enhance performance, reduce body roll, and lower the vehicle's center of gravity.
  • Premium Material: Wound from high-quality 5160 CrSi premium wire for exceptional durability and consistent performance.
  • Lowered Stance: Engineered to provide approximately a 2.5-inch drop, giving your G-Body a more aggressive and sporty appearance.
  • Versatile Application: Ideal for autocross, Pro-Touring builds, spirited street driving, and general corner carving.
  • Compatibility: Suitable for standard SBC applications and can be used on full-weight Big Block applications when a slight nose-down rake is desired. Lightened vehicles may require spring trimming for optimal results.

These UMI Performance front springs are meticulously crafted to deliver a superior driving experience, combining enhanced aesthetics with tangible performance benefits. Upgrade your G-Body's suspension for better road feel and control.

Find top-tier suspension components for your classic vehicle at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Base
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1970-1972 Chevrolet Camaro SS
1970-1973 Chevrolet Camaro RS
1970-1974 Chevrolet Camaro Z28
1970-1980 Chevrolet Camaro Base
1973-1978 Chevrolet Camaro LT
1975 Chevrolet Camaro RS
1976-1978 Chevrolet Camaro LT Rally Sport
1976-1980 Chevrolet Camaro Rally Sport
1977-1981 Chevrolet Camaro Z28
1979-1981 Chevrolet Camaro Berlinetta
1981 Chevrolet Camaro Sport
1978 Chevrolet El Camino Conquista
1978-1987 Chevrolet El Camino SS
1978-1987 Chevrolet El Camino Base
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1978-1980 Chevrolet Malibu Classic Estate
1978-1981 Chevrolet Malibu Base
1978-1981 Chevrolet Malibu Classic Landau
1978-1983 Chevrolet Malibu Classic
1979 Chevrolet Malibu Landau
1979 Chevrolet Malibu Police
1979-1980 Chevrolet Malibu Classic Sport
1979-1980 Chevrolet Malibu Estate
1979-1980 Chevrolet Malibu Sport
1978 Chevrolet Monte Carlo Sport
1978-1981 Chevrolet Monte Carlo Landau
1979 Chevrolet Monte Carlo Base
1980 Chevrolet Monte Carlo Sport
1981-1988 Chevrolet Monte Carlo Base
1983 Chevrolet Monte Carlo CL
1983-1988 Chevrolet Monte Carlo SS
1986-1988 Chevrolet Monte Carlo LS
1978-1979 Oldsmobile Cutlass Vista Cruiser
1979 Oldsmobile Cutlass Vista Cruiser Brougham
1980 Oldsmobile Cutlass Base
1980-1981 Oldsmobile Cutlass Brougham
1980-1981 Oldsmobile Cutlass LS
1978-1984 Oldsmobile Cutlass Calais Base
1983-1984 Oldsmobile Cutlass Calais Hurst
1982-1983 Oldsmobile Cutlass Ciera Base
1982-1988 Oldsmobile Cutlass Ciera Brougham
1982-1988 Oldsmobile Cutlass Ciera LS
1983 Oldsmobile Cutlass Ciera ES
1984-1985 Oldsmobile Cutlass Ciera Cruiser LS
1985-1986 Oldsmobile Cutlass Ciera ES
1985-1986 Oldsmobile Cutlass Ciera Holiday
1985-1987 Oldsmobile Cutlass Ciera GT
1986-1988 Oldsmobile Cutlass Ciera S
1986-1988 Oldsmobile Cutlass Ciera SL
1988 Oldsmobile Cutlass Ciera Base
1988 Oldsmobile Cutlass Ciera International

…and 30 additional fitments. Contact us to confirm yours.

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