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

SKU: UMI3034-R

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

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.

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

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.

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

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