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UMI Performance

Handling Package, UMI Perf. Stage 3, 1978-88 G-Body w/Bilstein Shocks

Vehicle Specific View fitment for 9 models
Part# L241789
Sold As Pair
$3,249.99
List Price: $3,575.95
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Provides a Nice Balance When Handling At the Limit

Simple and effective upgrades for real handling improvement

Achieve performance handling without sacrificing the classic factory look with the UMI Stage 1 kit. Designed for A-Body enthusiasts, this kit includes front and rear sway bars, UMI springs, and Bilstein shocks for a simple yet effective suspension upgrade. The sway bars reduce body roll, providing enhanced handling at the limit, while UMI's precision-wound springs control body movement without compromising comfort. With a focus on maintaining the factory muscle car appearance, the Stage 1 kit is an excellent choice for transforming your A-Body into a capable daily driver or corner carver. All components are proudly Made in the USA.

Stage 1 Includes: 1-1/4" Chromium Molybdenum front sway bar w/new bushings & endlinks, 1" solid heat treated Chromium Molybdenum rear sway bar, Bilstein gas charged shocks with optional spring heights. Stage 1.5 Includes: 1-1/4" Chromium Molybdenum front sway bar w/new bushings & endlinks, 1" solid heat treated Chromium Molybdenum rear sway bar, Koni adjustable shocks, 1/2" taller upper ball joint, optional spring heights. Stage 2 Includes: Front and rear grade 8 hardware kits, front lower arms w/polyurethane bushings, front upper arms w/delrin bushings, 1-1/4" ft. sway bar w/bushings & endlinks, upper and lower trailing arms w/poly bushings, tubular frame braces, 1" or 2" lowering springs, Bilstein monotube shocks. Stage 3 Includes: Front and rear grade 8 hardware kits, ft.upper and lower arms w/delrin bushings, ft. upper arms have 1/2" taller ball joints, 1-1/4" ft. sway bar w/bushings & endlinks, upper and lower trailing arms w/roto-joint bushings, tubular frame braces, rear end housing bushings, 1" or 2" lowering springs, Bilstein gas charged shocks. Stage 3.5 Includes: Front upper and lower arms w/delrin bushings, ft. upper arms have 1/2" taller ball joints, 1-1/4" ft. sway bar w/bushings & endlinks, upper and lower trailing arms w/poly. & roto-joint bushings, 1" or 2" lowering springs, Koni adjustable shocks.

Notes

  • Small block or big block motors with aluminum heads and intake tend to sit level with this kit. Lightweight LS may require spring trimming. An additional 1/4″ front end drop may occur on vehicles with full weight big block engines.
  • This item is not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: This item exceeds standard size and is exempt from free shipping.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National  
1984–1987 Buick Grand National  
1978–1987 Buick Regal  
1983–1987 Buick T-Type  
1978–1987 Chevrolet El Camino  
1978–1983 Chevrolet Malibu  
1978–1988 Chevrolet Monte Carlo  
1978–1988 Oldsmobile Cutlass  
1982–1986 Pontiac Bonneville  
1978–1987 Pontiac Grand Prix  
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