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UMI 303534-B solid sway bar kit in gloss black, showing the 1.250 inch front bar with its greaseable bushings, zinc plated clamshells and end links alongside the 1 inch rear bar and its M10 Grade 8 hardware, for 1978-1988 GM G-Body.
Second view of the gloss black solid front and rear G-Body sway bar kit.
Close detail view of the gloss black solid front and rear G-Body sway bar kit.
Angled view showing the profile of the gloss black solid front and rear G-Body sway bar kit.
Further detail view of the gloss black solid front and rear G-Body sway bar kit.
Additional catalogue view of the gloss black solid front and rear G-Body sway bar kit.
Supplementary reference view of the gloss black solid front and rear G-Body sway bar kit.
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UMI Performance 78-88 GM G-Body Solid Front & Rear Sway Bar Kit - Black

$ 419.99 $ 418.99

UMI Performance 78-88 GM G-Body Solid Front & Rear Sway Bar Kit - Black is UMI Performance manufacturer part number 303534-B, selected by the verified year, make, and model applications below. UMI Performance solid sway bars are expertly designed to enhance your vehicle's handling and performance. These sway bars are engineered to reduce body roll, improve cornering capabilities, and create a more balanced suspension system. Crafted from high-quality 4140 chrome moly steel, these sway bars are built for maximum strength and durability. The 1.250” front sway bar is sturdier than the factory counterpart, and comes complete with new end links and greaseable bushings. The 1” solid rear sway bar is supplied with grade 8 mounting hardware for secure installation. The rear sway bar undergoes heat treatment to maintain its memory longer, while the front sway bar is CNC bent for a precise fit. Available in powder coated bright red or gloss black, these sway bars are not only functional

Key Features

  • Rear bar: tighten the M10 fasteners to 45 ft-lbs, with the final tightening done with the suspension at its operating position.
  • The front bar is CNC bent cold, which is what keeps its 44 11/16 inch centre to centre geometry repeatable.
  • Key Features Complete two position kit: 1.250 inch solid front bar and 1 inch solid rear bar under one part number.
  • Front bar rated by UMI at 428 lb/in of deflection with a published 44 11/16 inch centre to centre.
  • Rear bar supplied with new Grade 8 M10 mounting hardware and a published 45 ft-lbs torque figure.
  • Non-adjustable at both ends, so the balance is set by the pairing rather than by fiddling with holes.

Fitment

Years Make Model Application Notes
1978-1987 Buick Regal Confirm every UMI Performance application note and factory configuration
1978-1987 Chevrolet El Camino Confirm every UMI Performance application note and factory configuration
1978-1983 Chevrolet Malibu Confirm every UMI Performance application note and factory configuration
1978-1988 Chevrolet Monte Carlo Confirm every UMI Performance application note and factory configuration
1978-1987 GMC Caballero Confirm every UMI Performance application note and factory configuration
1978-1988 Oldsmobile Cutlass Confirm every UMI Performance application note and factory configuration
1982-1986 Pontiac Bonneville Confirm every UMI Performance application note and factory configuration
1978-1987 Pontiac Grand Prix Confirm every UMI Performance application note and factory configuration

Specifications

Brand UMI Performance
Manufacturer Part Number 303534-B
Product Type Sway Bars
Application Type Vehicle Specific
Condition New

What's Included

One new UMI Performance sway bars package identified by manufacturer part number 303534-B, plus only the hardware and accessories expressly shown or stated for this exact part number

About UMI Performance

UMI Performance designs and manufactures suspension, chassis, steering, and handling components for American performance vehicles in Philipsburg, Pennsylvania.

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Frequently Asked Questions

How do I confirm UMI Performance 303534-B is correct for my application?
Match the exact manufacturer part number, year, make, model, factory configuration, dimensions, connection points, and every current UMI Performance note.

Are similar UMI Performance parts interchangeable with 303534-B?
No. Mounting points, dimensions, adjustment range, material, finish, bushing style, and included hardware can differ between part numbers.

What should be checked after installing UMI Performance 303534-B?
Inspect fasteners, bushings, joints, clearances, alignment, ride height, and suspension movement after installation and again after the initial road test.

Installation

Follow the current UMI Performance instructions for manufacturer part number 303534-B. Confirm all torque values, mounting locations, bushings, joints, clearances, ride height, and alignment requirements. Professional installation and a post-installation alignment are recommended when the component changes suspension geometry.

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