UMI 3051F pair of black powder coated 5160 chrome silicon front lowering springs with evenly pitched linear rate coils, a ground flat top end and an open pigtail bottom end, for a 2 inch drop on 1978-1988 GM G-Body.
Second view of the pair of black powder coated front G-Body lowering springs.
Close detail view of the pair of black powder coated front G-Body lowering springs.
Angled view showing the profile of the pair of black powder coated front G-Body lowering springs.
Further detail view of the pair of black powder coated front G-Body lowering springs.
Additional catalogue view of the pair of black powder coated front G-Body lowering springs.
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UMI Performance 78-88 GM G-Body Front 2in Lowering Springs

$ 169.99
$ 169.99

UMI Performance 78-88 GM G-Body Front 2in Lowering Springs is UMI Performance manufacturer part number 3051F, selected by the verified year, make, and model applications below. Confirm the exact part number, dimensions, factory equipment, mating components, and current manufacturer notes before ordering.

Key Features

  • A pair of 5160 chrome silicon coils at a documented linear 600 lb/in gives the nose a known rate, which matters when the next decision is shock valving or front bar diameter.
  • The product page for this part number states a linear 600 lb/in front rate, and UMI's platform level G-Body spring height and lowering guides state 530 lb/in.
  • Published fitment note: a V6 Turbo Grand National may require spring trimming because of its lower engine weight.
  • No rear spring is supplied with this part number Published rate conflict UMI's exact part number page states a linear 600 lb/in front rate, while UMI's platform level G-Body spring height and lowering guides state 530 lb/in.
  • Key Features Front axle pair for a nominal 2 inch drop with standard small block or LS power.
  • Documented linear 600 lb/in rate, useful as a known input for shock and sway bar choices.

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 3051F
Product Type Lowering Springs
Application Type Vehicle Specific
Condition New

What's Included

One new UMI Performance lowering springs package identified by manufacturer part number 3051F, 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 3051F 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 3051F?
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 3051F?
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 3051F. 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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