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UMI Performance

Handling Package, UMI Perf. Stage 1.5, 68-72 A-Body/69-72 GP, w/Koni Shocks

Vehicle Specific View fitment for 9 models
Part# CH37265
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$1,289.99
List Price: $1,419.95
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Provides a Nice Balance When Handling At the Limit

Simple and effective upgrades for real handling improvement

Elevate your muscle car's handling with UMI's Stage 1.5 kit. Building on the original Stage 1, this kit includes Koni rebound adjustable shocks for versatile performance, ideal for street cruising, corner carving, autocross, or road courses. The addition of ½” taller upper ball joints improves the camber curve, easily fitting factory and most aftermarket A-arms. Paired with high-performance lowering springs for controlled body movement and a comfortable, sporty ride, the Stage 1.5 features the trusted 1.250” front sway bar and 1” rear sway bars to reduce body roll and ensure excellent chassis balance at the limit. All UMI 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 motors, Pontiac 400 or Big Block 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
1968–1972 Buick Skylark  
1968–1972 Chevrolet Chevelle  
1968–1972 Chevrolet El Camino  
1970–1972 Chevrolet Monte Carlo  
1968–1972 Oldsmobile Cutlass  
1969–1972 Pontiac Grand Prix  
1968–1972 Pontiac GTO  
1968–1972 Pontiac LeMans  
1968–1970 Pontiac Tempest  
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