UMI Performance 1in Solid Rear Sway Bar — Fits 1978-1987 GM G-Body

SKU: UMI3034-R
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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

Enhance Stability with UMI Performance Rear Sway Bar

Reduce body roll, minimize understeer, and significantly improve your cornering capabilities with the UMI Performance 1-inch Solid Rear Sway Bar. Engineered specifically for the 1978-1987 GM G-Body platform, this sway bar is designed to create a more balanced and predictable suspension response. It's also highly effective at keeping your vehicle stable and tracking straight during hard launches.

Premium Construction for Peak Performance:

  • Robust Diameter: Features a substantial 1-inch (25.4mm) solid design for maximum effect in controlling body roll.
  • High-Strength Material: Manufactured from heat-treated 4140 chromoly steel for superior strength and durability.
  • One-Piece Construction: Formed as a single piece, ensuring the bar maintains its shape and memory longer compared to cold-bent alternatives.
  • Direct Fit Installation: Designed for a straightforward bolt-on installation, integrating seamlessly with your G-Body's existing rear suspension.
  • Improved Handling: Directly combats excessive body lean, providing a flatter cornering stance and more confident handling.
  • Launch Stability: Helps keep the rear end planted and stable during aggressive acceleration.

This rear sway bar is an essential upgrade for G-Body owners looking to enhance their vehicle's handling dynamics for spirited driving, autocross, or drag racing applications. Experience a noticeable difference in how your car handles transitions and maintains composure under load.

Upgrade your G-Body's rear suspension with the UMI Performance 1-inch Solid Rear Sway Bar, available now 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

Enhance Stability with UMI Performance Rear Sway Bar

Reduce body roll, minimize understeer, and significantly improve your cornering capabilities with the UMI Performance 1-inch Solid Rear Sway Bar. Engineered specifically for the 1978-1987 GM G-Body platform, this sway bar is designed to create a more balanced and predictable suspension response. It's also highly effective at keeping your vehicle stable and tracking straight during hard launches.

Premium Construction for Peak Performance:

  • Robust Diameter: Features a substantial 1-inch (25.4mm) solid design for maximum effect in controlling body roll.
  • High-Strength Material: Manufactured from heat-treated 4140 chromoly steel for superior strength and durability.
  • One-Piece Construction: Formed as a single piece, ensuring the bar maintains its shape and memory longer compared to cold-bent alternatives.
  • Direct Fit Installation: Designed for a straightforward bolt-on installation, integrating seamlessly with your G-Body's existing rear suspension.
  • Improved Handling: Directly combats excessive body lean, providing a flatter cornering stance and more confident handling.
  • Launch Stability: Helps keep the rear end planted and stable during aggressive acceleration.

This rear sway bar is an essential upgrade for G-Body owners looking to enhance their vehicle's handling dynamics for spirited driving, autocross, or drag racing applications. Experience a noticeable difference in how your car handles transitions and maintains composure under load.

Upgrade your G-Body's rear suspension with the UMI Performance 1-inch Solid Rear Sway Bar, available now 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

Enhance Stability with UMI Performance Rear Sway Bar

Reduce body roll, minimize understeer, and significantly improve your cornering capabilities with the UMI Performance 1-inch Solid Rear Sway Bar. Engineered specifically for the 1978-1987 GM G-Body platform, this sway bar is designed to create a more balanced and predictable suspension response. It's also highly effective at keeping your vehicle stable and tracking straight during hard launches.

Premium Construction for Peak Performance:

  • Robust Diameter: Features a substantial 1-inch (25.4mm) solid design for maximum effect in controlling body roll.
  • High-Strength Material: Manufactured from heat-treated 4140 chromoly steel for superior strength and durability.
  • One-Piece Construction: Formed as a single piece, ensuring the bar maintains its shape and memory longer compared to cold-bent alternatives.
  • Direct Fit Installation: Designed for a straightforward bolt-on installation, integrating seamlessly with your G-Body's existing rear suspension.
  • Improved Handling: Directly combats excessive body lean, providing a flatter cornering stance and more confident handling.
  • Launch Stability: Helps keep the rear end planted and stable during aggressive acceleration.

This rear sway bar is an essential upgrade for G-Body owners looking to enhance their vehicle's handling dynamics for spirited driving, autocross, or drag racing applications. Experience a noticeable difference in how your car handles transitions and maintains composure under load.

Upgrade your G-Body's rear suspension with the UMI Performance 1-inch Solid Rear Sway Bar, available now 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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