UMI Performance 78-88 GM G-Body A-Arm Mounting Hardware

SKU: UMI3013
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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

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

Secure Your G-Body's A-Arms with UMI Performance Hardware

When installing new upper and lower A-arms on your 1978-1988 GM G-Body, using fresh, high-quality hardware is essential for a safe and robust suspension setup. The UMI Performance A-Arm Mounting Hardware Kit provides the necessary components to ensure your control arms are mounted securely, preventing premature wear and potential failures.

Robust Construction for Lasting Performance

This kit replaces old, rusty, or damaged bolts with new, high-grade hardware. It includes Grade 10.9 bolts, which offer superior strength comparable to American Grade 8, along with matching flat washers and durable nylon lock nuts. This combination ensures a tight, vibration-resistant fit that holds up under demanding driving conditions. All hardware is bright zinc plated for excellent corrosion resistance and a clean, finished look.

Versatile Fitment for Your Project

Designed to work seamlessly with UMI Performance A-arms, this hardware kit is also compatible with factory A-arms and many other aftermarket brands for 1978-1988 GM G-Body vehicles. This includes popular models such as the Buick Regal, Chevrolet El Camino, Chevrolet Malibu, Chevrolet Monte Carlo, Oldsmobile Cutlass, and Pontiac Grand Prix/LeMans.

Kit Highlights:

  • Grade 10.9 high-strength bolts.
  • Nylon lock nuts to prevent loosening.
  • Flat washers for proper surface contact.
  • Bright zinc plating for corrosion protection.
  • Suitable for upper and lower A-arm installation.

Don't compromise on the foundation of your suspension. Upgrade to reliable hardware with the UMI Performance A-Arm Mounting Hardware Kit, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Base
1978-1988 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1988 Buick Regal Custom
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
1979 Chevrolet Malibu Landau
1979 Chevrolet Malibu Police
1979-1980 Chevrolet Malibu Classic Sport
1979-1980 Chevrolet Malibu Estate
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
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
1978-1980 Pontiac Grand Prix SJ
1978-1983 Pontiac Grand Prix LJ
1978-1988 Pontiac Grand Prix Base
1984-1988 Pontiac Grand Prix LE
1988 Pontiac Grand Prix SE
1978-1981 Pontiac LeMans Base
1988 Pontiac LeMans Aerocoupe
1988 Pontiac LeMans Aerocoupe YL
1988 Pontiac LeMans Base
1988 Pontiac LeMans SE
1988 Pontiac LeMans Value Leader

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

Secure Your G-Body's A-Arms with UMI Performance Hardware

When installing new upper and lower A-arms on your 1978-1988 GM G-Body, using fresh, high-quality hardware is essential for a safe and robust suspension setup. The UMI Performance A-Arm Mounting Hardware Kit provides the necessary components to ensure your control arms are mounted securely, preventing premature wear and potential failures.

Robust Construction for Lasting Performance

This kit replaces old, rusty, or damaged bolts with new, high-grade hardware. It includes Grade 10.9 bolts, which offer superior strength comparable to American Grade 8, along with matching flat washers and durable nylon lock nuts. This combination ensures a tight, vibration-resistant fit that holds up under demanding driving conditions. All hardware is bright zinc plated for excellent corrosion resistance and a clean, finished look.

Versatile Fitment for Your Project

Designed to work seamlessly with UMI Performance A-arms, this hardware kit is also compatible with factory A-arms and many other aftermarket brands for 1978-1988 GM G-Body vehicles. This includes popular models such as the Buick Regal, Chevrolet El Camino, Chevrolet Malibu, Chevrolet Monte Carlo, Oldsmobile Cutlass, and Pontiac Grand Prix/LeMans.

Kit Highlights:

  • Grade 10.9 high-strength bolts.
  • Nylon lock nuts to prevent loosening.
  • Flat washers for proper surface contact.
  • Bright zinc plating for corrosion protection.
  • Suitable for upper and lower A-arm installation.

Don't compromise on the foundation of your suspension. Upgrade to reliable hardware with the UMI Performance A-Arm Mounting Hardware Kit, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Base
1978-1988 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1988 Buick Regal Custom
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
1979 Chevrolet Malibu Landau
1979 Chevrolet Malibu Police
1979-1980 Chevrolet Malibu Classic Sport
1979-1980 Chevrolet Malibu Estate
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
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
1978-1980 Pontiac Grand Prix SJ
1978-1983 Pontiac Grand Prix LJ
1978-1988 Pontiac Grand Prix Base
1984-1988 Pontiac Grand Prix LE
1988 Pontiac Grand Prix SE
1978-1981 Pontiac LeMans Base
1988 Pontiac LeMans Aerocoupe
1988 Pontiac LeMans Aerocoupe YL
1988 Pontiac LeMans Base
1988 Pontiac LeMans SE
1988 Pontiac LeMans Value Leader

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

Secure Your G-Body's A-Arms with UMI Performance Hardware

When installing new upper and lower A-arms on your 1978-1988 GM G-Body, using fresh, high-quality hardware is essential for a safe and robust suspension setup. The UMI Performance A-Arm Mounting Hardware Kit provides the necessary components to ensure your control arms are mounted securely, preventing premature wear and potential failures.

Robust Construction for Lasting Performance

This kit replaces old, rusty, or damaged bolts with new, high-grade hardware. It includes Grade 10.9 bolts, which offer superior strength comparable to American Grade 8, along with matching flat washers and durable nylon lock nuts. This combination ensures a tight, vibration-resistant fit that holds up under demanding driving conditions. All hardware is bright zinc plated for excellent corrosion resistance and a clean, finished look.

Versatile Fitment for Your Project

Designed to work seamlessly with UMI Performance A-arms, this hardware kit is also compatible with factory A-arms and many other aftermarket brands for 1978-1988 GM G-Body vehicles. This includes popular models such as the Buick Regal, Chevrolet El Camino, Chevrolet Malibu, Chevrolet Monte Carlo, Oldsmobile Cutlass, and Pontiac Grand Prix/LeMans.

Kit Highlights:

  • Grade 10.9 high-strength bolts.
  • Nylon lock nuts to prevent loosening.
  • Flat washers for proper surface contact.
  • Bright zinc plating for corrosion protection.
  • Suitable for upper and lower A-arm installation.

Don't compromise on the foundation of your suspension. Upgrade to reliable hardware with the UMI Performance A-Arm Mounting Hardware Kit, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Base
1978-1988 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1988 Buick Regal Custom
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
1979 Chevrolet Malibu Landau
1979 Chevrolet Malibu Police
1979-1980 Chevrolet Malibu Classic Sport
1979-1980 Chevrolet Malibu Estate
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
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
1978-1980 Pontiac Grand Prix SJ
1978-1983 Pontiac Grand Prix LJ
1978-1988 Pontiac Grand Prix Base
1984-1988 Pontiac Grand Prix LE
1988 Pontiac Grand Prix SE
1978-1981 Pontiac LeMans Base
1988 Pontiac LeMans Aerocoupe
1988 Pontiac LeMans Aerocoupe YL
1988 Pontiac LeMans Base
1988 Pontiac LeMans SE
1988 Pontiac LeMans Value Leader

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