UMI Performance 78-88 GM G-Body Lowering Spring Kit 2in Lowering

SKU: UMI3051
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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.

Watch in action

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

Transform your 1978-1988 GM G-Body with the UMI Performance Lowering Spring Kit, engineered to provide a significant drop and improved handling characteristics. This comprehensive kit is designed for enthusiasts seeking a lower center of gravity and a more dynamic driving experience.

Kit Features & Benefits:

  • Engineered for Performance: Developed with input from a leading Sprint Cup chassis engineer, these springs offer superior performance for street, autocross, and Pro-Touring applications.
  • Front Springs: Wound from 5160 CrSi premium wire with a linear 600 lb/in rate, these front springs reduce body roll and enhance stability. They are designed for a 2-inch drop with standard SBC engines.
  • Rear Springs: Crafted from 9254 CrSi premium wire with a linear 130 lb/in rate, the rear springs complement the front for balanced handling and a consistent ride.
  • Improved Ride Quality: The linear spring rates provide predictable handling, reducing the common 'floating' sensation found in stock G-Body suspensions.
  • Aggressive Stance: Achieve a desirable 2-inch lowering effect, giving your G-Body a more aggressive and visually appealing stance.
  • Material Quality: Utilizes premium CrSi wire for maximum durability and consistent spring performance over time.

This UMI Performance Lowering Spring Kit is the perfect solution for G-Body owners looking to enhance both the aesthetics and the performance of their vehicle. Experience a tighter, more responsive feel on the road.

Upgrade your suspension with quality parts from 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
1978 Chevrolet El Camino Conquista
1978-1987 Chevrolet El Camino Base
1978-1987 Chevrolet El Camino SS
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1978-1980 Chevrolet Malibu Classic Estate
1978-1981 Chevrolet Malibu Classic Landau
1978-1981 Chevrolet Malibu Base
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
1982-1989 Chevrolet S10 Sport
1982-1990 Chevrolet S10 Durango
1982-1992 Chevrolet S10 Tahoe
1982-2003 Chevrolet S10 Base
1991 Chevrolet S10 Baja
1992-1993 Chevrolet S10 EL
1994-1998 Chevrolet S10 SS
1994-2003 Chevrolet S10 LS
1994-2003 Chevrolet S10 ZR2
1999-2003 Chevrolet S10 Xtreme
2002-2003 Chevrolet S10 ZR5
1983-1988 Chevrolet S10 Blazer Tahoe
1983-1990 Chevrolet S10 Blazer Sport
1983-1994 Chevrolet S10 Blazer Base
1987-1989 Chevrolet S10 Blazer High Country
1990-1994 Chevrolet S10 Blazer Tahoe
1991-1994 Chevrolet S10 Blazer Tahoe LT
1992 Chevrolet S10 Blazer Sport
1994 Chevrolet S10 Blazer LT
1978-1980 GMC Caballero Laredo
1978-1987 GMC Caballero Base
1978-1987 GMC Caballero Diablo
1981 GMC Caballero Conquista
1981 GMC Caballero Royal Knight
1981-1986 GMC Caballero Amarillo
1982 GMC S15 Sierra Grande
1982-1990 GMC S15 High Sierra
1982-1990 GMC S15 Sierra Classic
1982-1990 GMC S15 Base
1983 GMC S15 Gypsy

…and 60 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.

Watch in action

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

Transform your 1978-1988 GM G-Body with the UMI Performance Lowering Spring Kit, engineered to provide a significant drop and improved handling characteristics. This comprehensive kit is designed for enthusiasts seeking a lower center of gravity and a more dynamic driving experience.

Kit Features & Benefits:

  • Engineered for Performance: Developed with input from a leading Sprint Cup chassis engineer, these springs offer superior performance for street, autocross, and Pro-Touring applications.
  • Front Springs: Wound from 5160 CrSi premium wire with a linear 600 lb/in rate, these front springs reduce body roll and enhance stability. They are designed for a 2-inch drop with standard SBC engines.
  • Rear Springs: Crafted from 9254 CrSi premium wire with a linear 130 lb/in rate, the rear springs complement the front for balanced handling and a consistent ride.
  • Improved Ride Quality: The linear spring rates provide predictable handling, reducing the common 'floating' sensation found in stock G-Body suspensions.
  • Aggressive Stance: Achieve a desirable 2-inch lowering effect, giving your G-Body a more aggressive and visually appealing stance.
  • Material Quality: Utilizes premium CrSi wire for maximum durability and consistent spring performance over time.

This UMI Performance Lowering Spring Kit is the perfect solution for G-Body owners looking to enhance both the aesthetics and the performance of their vehicle. Experience a tighter, more responsive feel on the road.

Upgrade your suspension with quality parts from 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
1978 Chevrolet El Camino Conquista
1978-1987 Chevrolet El Camino Base
1978-1987 Chevrolet El Camino SS
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1978-1980 Chevrolet Malibu Classic Estate
1978-1981 Chevrolet Malibu Classic Landau
1978-1981 Chevrolet Malibu Base
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
1982-1989 Chevrolet S10 Sport
1982-1990 Chevrolet S10 Durango
1982-1992 Chevrolet S10 Tahoe
1982-2003 Chevrolet S10 Base
1991 Chevrolet S10 Baja
1992-1993 Chevrolet S10 EL
1994-1998 Chevrolet S10 SS
1994-2003 Chevrolet S10 LS
1994-2003 Chevrolet S10 ZR2
1999-2003 Chevrolet S10 Xtreme
2002-2003 Chevrolet S10 ZR5
1983-1988 Chevrolet S10 Blazer Tahoe
1983-1990 Chevrolet S10 Blazer Sport
1983-1994 Chevrolet S10 Blazer Base
1987-1989 Chevrolet S10 Blazer High Country
1990-1994 Chevrolet S10 Blazer Tahoe
1991-1994 Chevrolet S10 Blazer Tahoe LT
1992 Chevrolet S10 Blazer Sport
1994 Chevrolet S10 Blazer LT
1978-1980 GMC Caballero Laredo
1978-1987 GMC Caballero Base
1978-1987 GMC Caballero Diablo
1981 GMC Caballero Conquista
1981 GMC Caballero Royal Knight
1981-1986 GMC Caballero Amarillo
1982 GMC S15 Sierra Grande
1982-1990 GMC S15 High Sierra
1982-1990 GMC S15 Sierra Classic
1982-1990 GMC S15 Base
1983 GMC S15 Gypsy

…and 60 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.

Watch in action

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

Transform your 1978-1988 GM G-Body with the UMI Performance Lowering Spring Kit, engineered to provide a significant drop and improved handling characteristics. This comprehensive kit is designed for enthusiasts seeking a lower center of gravity and a more dynamic driving experience.

Kit Features & Benefits:

  • Engineered for Performance: Developed with input from a leading Sprint Cup chassis engineer, these springs offer superior performance for street, autocross, and Pro-Touring applications.
  • Front Springs: Wound from 5160 CrSi premium wire with a linear 600 lb/in rate, these front springs reduce body roll and enhance stability. They are designed for a 2-inch drop with standard SBC engines.
  • Rear Springs: Crafted from 9254 CrSi premium wire with a linear 130 lb/in rate, the rear springs complement the front for balanced handling and a consistent ride.
  • Improved Ride Quality: The linear spring rates provide predictable handling, reducing the common 'floating' sensation found in stock G-Body suspensions.
  • Aggressive Stance: Achieve a desirable 2-inch lowering effect, giving your G-Body a more aggressive and visually appealing stance.
  • Material Quality: Utilizes premium CrSi wire for maximum durability and consistent spring performance over time.

This UMI Performance Lowering Spring Kit is the perfect solution for G-Body owners looking to enhance both the aesthetics and the performance of their vehicle. Experience a tighter, more responsive feel on the road.

Upgrade your suspension with quality parts from 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
1978 Chevrolet El Camino Conquista
1978-1987 Chevrolet El Camino Base
1978-1987 Chevrolet El Camino SS
1979-1981 Chevrolet El Camino Royal Knight
1981-1986 Chevrolet El Camino Conquista
1978-1980 Chevrolet Malibu Classic Estate
1978-1981 Chevrolet Malibu Classic Landau
1978-1981 Chevrolet Malibu Base
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
1982-1989 Chevrolet S10 Sport
1982-1990 Chevrolet S10 Durango
1982-1992 Chevrolet S10 Tahoe
1982-2003 Chevrolet S10 Base
1991 Chevrolet S10 Baja
1992-1993 Chevrolet S10 EL
1994-1998 Chevrolet S10 SS
1994-2003 Chevrolet S10 LS
1994-2003 Chevrolet S10 ZR2
1999-2003 Chevrolet S10 Xtreme
2002-2003 Chevrolet S10 ZR5
1983-1988 Chevrolet S10 Blazer Tahoe
1983-1990 Chevrolet S10 Blazer Sport
1983-1994 Chevrolet S10 Blazer Base
1987-1989 Chevrolet S10 Blazer High Country
1990-1994 Chevrolet S10 Blazer Tahoe
1991-1994 Chevrolet S10 Blazer Tahoe LT
1992 Chevrolet S10 Blazer Sport
1994 Chevrolet S10 Blazer LT
1978-1980 GMC Caballero Laredo
1978-1987 GMC Caballero Base
1978-1987 GMC Caballero Diablo
1981 GMC Caballero Conquista
1981 GMC Caballero Royal Knight
1981-1986 GMC Caballero Amarillo
1982 GMC S15 Sierra Grande
1982-1990 GMC S15 High Sierra
1982-1990 GMC S15 Sierra Classic
1982-1990 GMC S15 Base
1983 GMC S15 Gypsy

…and 60 additional fitments. Contact us to confirm yours.

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