UMI Performance Rear Control Arm Bolt Upgrade Kit — Fits 78-88 GM G-Body

SKU: UMI3002
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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

Upgrade Your Rear Suspension with UMI Performance Hardware

Don't let rusty, worn-out bolts compromise your aftermarket control arm installation. The UMI Performance Rear Control Arm Bolt Upgrade Kit provides all the necessary high-strength hardware to ensure a secure and lasting fit for your 1978-1988 GM G-Body vehicles.

Complete Hardware Solution

This comprehensive kit includes everything needed to install both upper and lower rear control arms. You'll receive:

  • (8) 12mm, Grade 10.9 High-Strength Steel Bolts: Equivalent to American Grade 8 strength for maximum durability.
  • (8) 12mm Nylon Lock Nuts: Prevents loosening under stress and vibration.
  • (16) Washers: Ensures proper load distribution and surface contact.

Built for Performance and Durability

Each component in this kit is bright zinc plated, offering excellent corrosion resistance and a clean, professional look. This upgrade is essential when installing performance control arms, ensuring your suspension components are mounted with the reliability they deserve.

Vehicle Fitment

This kit is designed for a wide range of 1978-1988 GM G-Body models, including Buick Regal, Chevrolet El Camino, Chevrolet Malibu, Chevrolet Monte Carlo, Oldsmobile Cutlass, and Pontiac Grand Prix/LeMans. Ensure your vehicle is listed for a perfect fit.

Invest in the quality and security of your suspension. Get the UMI Performance Rear Control Arm Bolt Upgrade Kit today 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
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1988 Buick Regal Custom
1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car
1982-1986 Chevrolet Camaro Berlinetta
1982-1987 Chevrolet Camaro Sport
1982-1987 Chevrolet Camaro Z28
1985-1990 Chevrolet Camaro Iroc-Z
1987 Chevrolet Camaro LT
1988 Chevrolet Camaro Base
1989-1992 Chevrolet Camaro RS
1991-1992 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition
1992 Chevrolet Camaro RS Heritage Edition
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 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
1982-1986 Pontiac Firebird S/E
1982-1992 Pontiac Firebird Base
1982-1992 Pontiac Firebird Trans Am
1989 Pontiac Firebird Trans Am GTA SE
1989-1992 Pontiac Firebird Formula
1989-1992 Pontiac Firebird Trans Am GTA
1978-1980 Pontiac Grand Prix SJ
1978-1983 Pontiac Grand Prix LJ
1978-1988 Pontiac Grand Prix Base
1981-1987 Pontiac Grand Prix Brougham
1984-1988 Pontiac Grand Prix LE
1988 Pontiac Grand Prix SE
1978-1981 Pontiac LeMans Base

…and 6 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

Upgrade Your Rear Suspension with UMI Performance Hardware

Don't let rusty, worn-out bolts compromise your aftermarket control arm installation. The UMI Performance Rear Control Arm Bolt Upgrade Kit provides all the necessary high-strength hardware to ensure a secure and lasting fit for your 1978-1988 GM G-Body vehicles.

Complete Hardware Solution

This comprehensive kit includes everything needed to install both upper and lower rear control arms. You'll receive:

  • (8) 12mm, Grade 10.9 High-Strength Steel Bolts: Equivalent to American Grade 8 strength for maximum durability.
  • (8) 12mm Nylon Lock Nuts: Prevents loosening under stress and vibration.
  • (16) Washers: Ensures proper load distribution and surface contact.

Built for Performance and Durability

Each component in this kit is bright zinc plated, offering excellent corrosion resistance and a clean, professional look. This upgrade is essential when installing performance control arms, ensuring your suspension components are mounted with the reliability they deserve.

Vehicle Fitment

This kit is designed for a wide range of 1978-1988 GM G-Body models, including Buick Regal, Chevrolet El Camino, Chevrolet Malibu, Chevrolet Monte Carlo, Oldsmobile Cutlass, and Pontiac Grand Prix/LeMans. Ensure your vehicle is listed for a perfect fit.

Invest in the quality and security of your suspension. Get the UMI Performance Rear Control Arm Bolt Upgrade Kit today 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
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1988 Buick Regal Custom
1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car
1982-1986 Chevrolet Camaro Berlinetta
1982-1987 Chevrolet Camaro Sport
1982-1987 Chevrolet Camaro Z28
1985-1990 Chevrolet Camaro Iroc-Z
1987 Chevrolet Camaro LT
1988 Chevrolet Camaro Base
1989-1992 Chevrolet Camaro RS
1991-1992 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition
1992 Chevrolet Camaro RS Heritage Edition
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 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
1982-1986 Pontiac Firebird S/E
1982-1992 Pontiac Firebird Base
1982-1992 Pontiac Firebird Trans Am
1989 Pontiac Firebird Trans Am GTA SE
1989-1992 Pontiac Firebird Formula
1989-1992 Pontiac Firebird Trans Am GTA
1978-1980 Pontiac Grand Prix SJ
1978-1983 Pontiac Grand Prix LJ
1978-1988 Pontiac Grand Prix Base
1981-1987 Pontiac Grand Prix Brougham
1984-1988 Pontiac Grand Prix LE
1988 Pontiac Grand Prix SE
1978-1981 Pontiac LeMans Base

…and 6 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

Upgrade Your Rear Suspension with UMI Performance Hardware

Don't let rusty, worn-out bolts compromise your aftermarket control arm installation. The UMI Performance Rear Control Arm Bolt Upgrade Kit provides all the necessary high-strength hardware to ensure a secure and lasting fit for your 1978-1988 GM G-Body vehicles.

Complete Hardware Solution

This comprehensive kit includes everything needed to install both upper and lower rear control arms. You'll receive:

  • (8) 12mm, Grade 10.9 High-Strength Steel Bolts: Equivalent to American Grade 8 strength for maximum durability.
  • (8) 12mm Nylon Lock Nuts: Prevents loosening under stress and vibration.
  • (16) Washers: Ensures proper load distribution and surface contact.

Built for Performance and Durability

Each component in this kit is bright zinc plated, offering excellent corrosion resistance and a clean, professional look. This upgrade is essential when installing performance control arms, ensuring your suspension components are mounted with the reliability they deserve.

Vehicle Fitment

This kit is designed for a wide range of 1978-1988 GM G-Body models, including Buick Regal, Chevrolet El Camino, Chevrolet Malibu, Chevrolet Monte Carlo, Oldsmobile Cutlass, and Pontiac Grand Prix/LeMans. Ensure your vehicle is listed for a perfect fit.

Invest in the quality and security of your suspension. Get the UMI Performance Rear Control Arm Bolt Upgrade Kit today 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
1983-1986 Buick Regal T-Type
1984-1987 Buick Regal Grand National
1987 Buick Regal GNX
1988 Buick Regal Custom
1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car
1982-1986 Chevrolet Camaro Berlinetta
1982-1987 Chevrolet Camaro Sport
1982-1987 Chevrolet Camaro Z28
1985-1990 Chevrolet Camaro Iroc-Z
1987 Chevrolet Camaro LT
1988 Chevrolet Camaro Base
1989-1992 Chevrolet Camaro RS
1991-1992 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition
1992 Chevrolet Camaro RS Heritage Edition
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 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
1982-1986 Pontiac Firebird S/E
1982-1992 Pontiac Firebird Base
1982-1992 Pontiac Firebird Trans Am
1989 Pontiac Firebird Trans Am GTA SE
1989-1992 Pontiac Firebird Formula
1989-1992 Pontiac Firebird Trans Am GTA
1978-1980 Pontiac Grand Prix SJ
1978-1983 Pontiac Grand Prix LJ
1978-1988 Pontiac Grand Prix Base
1981-1987 Pontiac Grand Prix Brougham
1984-1988 Pontiac Grand Prix LE
1988 Pontiac Grand Prix SE
1978-1981 Pontiac LeMans Base

…and 6 additional fitments. Contact us to confirm yours.

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