UMI Performance 78-88 GM G-Body Rear Shock Tower Brace Bolt-In Black

SKU: UMI3055-B
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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 Rear Shock Tower Brace for 78-88 GM G-Body

Elevate your GM G-Body's handling and chassis stability with the UMI Performance Rear Shock Tower Brace (P/N 3055). Engineered for the 1978-1988 Buick Regal, Chevrolet El Camino, Malibu, Monte Carlo, and Oldsmobile Cutlass models, this brace connects the upper shock mounts, effectively distributing load and significantly reducing chassis flex. This upgrade is crucial for maximizing the performance potential of your classic vehicle, whether for street, strip, or track use.

Key Features and Benefits:

  • Bolt-In Installation: Designed for a straightforward, no-drill installation using included hardware.
  • Enhanced Rear Suspension Rigidity: Ties the shock towers together, improving suspension response and reducing body roll.
  • Durable Construction: Features a robust 1-1/4" DOM tubing construction, MIG welded to 3/16" thick laser-cut brackets for superior strength and a precise fit.
  • Universal Fitment: Clears most popular exhaust systems and is compatible with both coilover and traditional spring/shock setups.
  • Premium Finish: Available in a durable black powder coat for excellent corrosion resistance and a clean aesthetic.
  • Made in USA: Manufactured, tested, and raced in Philipsburg, PA, using US Steel.

The UMI Performance Rear Shock Tower Brace is an essential component for enthusiasts seeking a more planted and responsive driving experience. Improve your G-Body's cornering capabilities and overall stability. Purchase yours today 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
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
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
1980-1981 Oldsmobile Cutlass Cruiser Brougham
1980-1983 Oldsmobile Cutlass Cruiser Base
1978-1979 Oldsmobile Cutlass Salon 442
1978-1980 Oldsmobile Cutlass Salon Base
1978-1980 Oldsmobile Cutlass Salon Brougham
1979 Oldsmobile Cutlass Salon Hurst
1985-1986 Oldsmobile Cutlass Salon 442
1985-1987 Oldsmobile Cutlass Salon Base
1978-1987 Oldsmobile Cutlass Supreme Brougham
1978-1988 Oldsmobile Cutlass Supreme Base
1981 Oldsmobile Cutlass Supreme LS

…and 15 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 Rear Shock Tower Brace for 78-88 GM G-Body

Elevate your GM G-Body's handling and chassis stability with the UMI Performance Rear Shock Tower Brace (P/N 3055). Engineered for the 1978-1988 Buick Regal, Chevrolet El Camino, Malibu, Monte Carlo, and Oldsmobile Cutlass models, this brace connects the upper shock mounts, effectively distributing load and significantly reducing chassis flex. This upgrade is crucial for maximizing the performance potential of your classic vehicle, whether for street, strip, or track use.

Key Features and Benefits:

  • Bolt-In Installation: Designed for a straightforward, no-drill installation using included hardware.
  • Enhanced Rear Suspension Rigidity: Ties the shock towers together, improving suspension response and reducing body roll.
  • Durable Construction: Features a robust 1-1/4" DOM tubing construction, MIG welded to 3/16" thick laser-cut brackets for superior strength and a precise fit.
  • Universal Fitment: Clears most popular exhaust systems and is compatible with both coilover and traditional spring/shock setups.
  • Premium Finish: Available in a durable black powder coat for excellent corrosion resistance and a clean aesthetic.
  • Made in USA: Manufactured, tested, and raced in Philipsburg, PA, using US Steel.

The UMI Performance Rear Shock Tower Brace is an essential component for enthusiasts seeking a more planted and responsive driving experience. Improve your G-Body's cornering capabilities and overall stability. Purchase yours today 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
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
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
1980-1981 Oldsmobile Cutlass Cruiser Brougham
1980-1983 Oldsmobile Cutlass Cruiser Base
1978-1979 Oldsmobile Cutlass Salon 442
1978-1980 Oldsmobile Cutlass Salon Base
1978-1980 Oldsmobile Cutlass Salon Brougham
1979 Oldsmobile Cutlass Salon Hurst
1985-1986 Oldsmobile Cutlass Salon 442
1985-1987 Oldsmobile Cutlass Salon Base
1978-1987 Oldsmobile Cutlass Supreme Brougham
1978-1988 Oldsmobile Cutlass Supreme Base
1981 Oldsmobile Cutlass Supreme LS

…and 15 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 Rear Shock Tower Brace for 78-88 GM G-Body

Elevate your GM G-Body's handling and chassis stability with the UMI Performance Rear Shock Tower Brace (P/N 3055). Engineered for the 1978-1988 Buick Regal, Chevrolet El Camino, Malibu, Monte Carlo, and Oldsmobile Cutlass models, this brace connects the upper shock mounts, effectively distributing load and significantly reducing chassis flex. This upgrade is crucial for maximizing the performance potential of your classic vehicle, whether for street, strip, or track use.

Key Features and Benefits:

  • Bolt-In Installation: Designed for a straightforward, no-drill installation using included hardware.
  • Enhanced Rear Suspension Rigidity: Ties the shock towers together, improving suspension response and reducing body roll.
  • Durable Construction: Features a robust 1-1/4" DOM tubing construction, MIG welded to 3/16" thick laser-cut brackets for superior strength and a precise fit.
  • Universal Fitment: Clears most popular exhaust systems and is compatible with both coilover and traditional spring/shock setups.
  • Premium Finish: Available in a durable black powder coat for excellent corrosion resistance and a clean aesthetic.
  • Made in USA: Manufactured, tested, and raced in Philipsburg, PA, using US Steel.

The UMI Performance Rear Shock Tower Brace is an essential component for enthusiasts seeking a more planted and responsive driving experience. Improve your G-Body's cornering capabilities and overall stability. Purchase yours today 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
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
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
1980-1981 Oldsmobile Cutlass Cruiser Brougham
1980-1983 Oldsmobile Cutlass Cruiser Base
1978-1979 Oldsmobile Cutlass Salon 442
1978-1980 Oldsmobile Cutlass Salon Base
1978-1980 Oldsmobile Cutlass Salon Brougham
1979 Oldsmobile Cutlass Salon Hurst
1985-1986 Oldsmobile Cutlass Salon 442
1985-1987 Oldsmobile Cutlass Salon Base
1978-1987 Oldsmobile Cutlass Supreme Brougham
1978-1988 Oldsmobile Cutlass Supreme Base
1981 Oldsmobile Cutlass Supreme LS

…and 15 additional fitments. Contact us to confirm yours.

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