GBF004 – 1978-1988 GM G-Body Handling Package, Stage 4
$4,699.99
PRODUCT DESCRIPTION
UMI's Stage 4 kit is designed to transform your G-body into a high-performing vehicle with adjustable features for both street driving and racing. This kit includes UMI's upper and lower tubular a-arms with a 1" increased spindle height for improved handling. The adjustable upper a-arms enhance caster for precise steering, while the lower a-arms feature UMI-built Delrin bushings for smooth and accurate steering.
The front of the vehicle is equipped with Viking's new front hybrid coilover, which has double adjustable shocks for ride height, compression, and rebound adjustments. Additionally, the kit includes UMI's 1.250” chromoly handling sway bar for better cornering.
At the rear, adjustable tubular frame braces stabilize the Poly/Roto combo lower trailing arms and fully adjustable Roto-Joint upper control arms. Rear lowering springs and double adjustable rear shocks offer 361 possible valving combinations for a customizable ride experience. The kit also features a Pro-Tour style rear sway bar for optimal handling.
UMI's Stage 4 Kit includes tubular lower and adjustable upper front a-arms, front and rear sway bars, double adjustable Viking shocks, front coilover springs, rear lowering springs, adjustable rear control arms, tubular frame braces, rear end housing bushings, and premium hardware. For substitutions or customization, please contact our sales staff.
PRODUCT FEATURES
- Increased spindle height by 1” via tall upper and lower ball joints for improved camber gain and a better contact patch.
- Upper a-arms add caster for improved steering feel and straight line stability. Adjustability means minimum shims.
- Lower a-arms feature UMI-built Delrin bushings and accept standard springs or coilovers.
- 1.250” front sway bar for flat cornering, CNC bent from 4140.
- Double adjustable Viking shocks are hand assembled in the USA and feature 361 possible valving combinations.
- Hybrid coilover springs are available in various rates depending on application and are made in the USA.
- Rear trailing arms feature Poly and Roto-Joints as well as adjustable uppers for setting pinion angle and rear lateral location.
- Roto-Joints allow smooth articulation for improved handling and less bind.
- Choice of 1” or 2” rear lowering springs combined with Viking double adjustable rear shocks works great on street, auto-x and even the drag strip.
- 1” diameter tubular Pro-Tour style rear sway bar allows setting for street/handling or strip. Chassis mounted sway bar allows 3 adjustments.
- Rear sway bar is preload adjustable to function as a drag anti-roll bar. Simply turn the on-car adjuster and leave the line with no body twist and even traction.
- Premium hardware included. Bolt on and go.
- Manufactured in the USA by workers who care about your car.
- Tubular lower front a-arms with Delrin bushings & ½” taller ball joints
- Tubular adjustable upper front a-arms with & ½” taller ball joints
- 1-1/4” Front sway bar with bushings and end links
- 1” Tubular pro-touring rear sway bar, 3-way adjustable
- Set of (4) double adjustable Viking shocks, front shocks coil over
- Front coil over springs with choice of spring rate
- Thrust bearing and spanner wrench for quick and easy height adjustments
- Rear lowering springs, choice of 1” or 2” rear drop
- Tubular rear lower control arms with Roto-Joint
- Adjustable rear upper control arms with Roto-Joints
- Tubular frame braces
- Replacement rear end housing bushings
- All new Grade 10.9 hardware with nylock nuts to install kit
This Product Features
Designed & Manufactured in the USA
Durable Powder-Coat
North American Raw Materials
Precision Laser Cut Components
Precision Welds
About Viking Performance
Viking Performance, Inc. specializes in high-performance double adjustable shock absorbers and related products. Founded in 2011 by experienced racing enthusiasts, the company identified a gap in the market for affordable double adjustable shocks, allowing customers to optimize their vehicle's ride quality by independently tuning compression and rebound settings. By focusing solely on these products, Viking keeps prices competitive with single adjustable shocks, offering better performance without unnecessary costs.
Viking conducts all aspects of design, research, and manufacturing in-house, ensuring quick responses to market changes. The company has received prestigious awards like SEMA's Best Engineered Award and has expanded its product line to include various shock types, such as patented race-only Crusader shocks and lightweight aluminum struts. With a commitment to value and quality, Viking aims to provide exceptional products for racing and performance enthusiasts at accessible prices.
| Manufacturer | , |
|---|---|
| Fitment | |
| Hardware |
Included |
| Spring Rating-Front |
450lb ,550lb |
| Spring Height-Rear |
1" Lowering ,2" Lowering |
Why Choose
UMI Performance
21 Years In The Industry
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North American Raw Materials
Proudly partnering with leading USA steel suppliers, we source the finest North American mined and milled steel
Precision Bent DOM Tubing
Machine-guided DOM tubing bends maintain correct geometry while maintaining material strength.
Laser Cut Plating
We take North-American sourced plating and precision-cut each component with the latest laser-cutting technology.
Durable Powder Coating
Each finished part is properly prepped and coated with high quality Tiger Dry Lac powder coat, providing a tough long-lasting finish.
Consistent Welds
Our highly-skilled welders and robotic-welders provide consistent welds and ultimate part penetration.
100% USA Made
We take pride in providing 100% USA-Manufactured suspension components.
Shipping Guidelines
Flat Rate Shipping ($11.99) is only offered on Retail orders over $149 shipped via Ground in the Continental United States.
All International customers are responsible for any applicable duties and/or taxes incurred on your shipment upon delivery.
Return Information
All returns are subject to the authorization of UMI Performance, Inc. Please email [email protected] for a Returned Merchandise Authorization (RMA) number. Our Sales team will either authorize or deny the request for return at its discretion. Any product returned without an issued RMA number will not be credited. All returns must be made within 30 days of delivery, be in new condition, be in original sealed packaging and include the RMA number on the outside of the packaging. No exceptions. All products and their packaging must be in new and unopened condition. Products that have been altered, installed, or modified are not returnable. All shipping costs for returns are the responsibility of the customer. All returns are subject to a 20% restocking fee as well as the original shipping charges that UMI Performance may have incurred while shipping your order.
Due to the majority of Viking products being drop shipped, we can not offer returns on any Viking products. If you purchase a Viking product be sure it fits your application. If you need technical assistance prior to placing order please contact [email protected]
This 'GBF004 - 1978-1988 GM G-Body Handling Package, Stage 4' fits the following platforms:
1978-1988 GM G-Body
- 1978-1987 Buick Regal
- 1978-1987 Chevrolet El Camino
- 1978-1983 Chevrolet Malibu
- 1978-1988 Chevrolet Monte Carlo
- 1978-1987 GMC Caballero
- 1981-1988 Oldsmobile Cutlass
- 1982-1986 Pontiac Bonneville
- 1978-1987 Pontiac Grand Prix
This GBF004 - 1978-1988 GM G-Body Handling Package, Stage 4 fits the following vehicles:
Buick
Regal
- 1978 Buick Regal
- 1979 Buick Regal
- 1980 Buick Regal
- 1981 Buick Regal
- 1982 Buick Regal
- 1983 Buick Regal
- 1984 Buick Regal
- 1985 Buick Regal
- 1986 Buick Regal
- 1987 Buick Regal
Chevrolet
El Camino
- 1978 Chevrolet El Camino
- 1979 Chevrolet El Camino
- 1980 Chevrolet El Camino
- 1981 Chevrolet El Camino
- 1982 Chevrolet El Camino
- 1983 Chevrolet El Camino
- 1984 Chevrolet El Camino
- 1985 Chevrolet El Camino
- 1986 Chevrolet El Camino
- 1987 Chevrolet El Camino
Malibu
- 1978 Chevrolet Malibu
- 1979 Chevrolet Malibu
- 1980 Chevrolet Malibu
- 1981 Chevrolet Malibu
- 1982 Chevrolet Malibu
- 1983 Chevrolet Malibu
Monte Carlo
- 1978 Chevrolet Monte Carlo
- 1979 Chevrolet Monte Carlo
- 1980 Chevrolet Monte Carlo
- 1981 Chevrolet Monte Carlo
- 1982 Chevrolet Monte Carlo
- 1983 Chevrolet Monte Carlo
- 1984 Chevrolet Monte Carlo
- 1985 Chevrolet Monte Carlo
- 1986 Chevrolet Monte Carlo
- 1987 Chevrolet Monte Carlo
- 1988 Chevrolet Monte Carlo
GMC
Caballero
- 1978 GMC Caballero
- 1979 GMC Caballero
- 1980 GMC Caballero
- 1981 GMC Caballero
- 1982 GMC Caballero
- 1983 GMC Caballero
- 1984 GMC Caballero
- 1985 GMC Caballero
- 1986 GMC Caballero
- 1987 GMC Caballero
Oldsmobile
Cutlass
- 1981 Oldsmobile Cutlass
- 1982 Oldsmobile Cutlass
- 1983 Oldsmobile Cutlass
- 1984 Oldsmobile Cutlass
- 1985 Oldsmobile Cutlass
- 1986 Oldsmobile Cutlass
- 1987 Oldsmobile Cutlass
- 1988 Oldsmobile Cutlass
Pontiac
Bonneville
- 1982 Pontiac Bonneville
- 1983 Pontiac Bonneville
- 1984 Pontiac Bonneville
- 1985 Pontiac Bonneville
- 1986 Pontiac Bonneville
Grand Prix
- 1978 Pontiac Grand Prix
- 1979 Pontiac Grand Prix
- 1980 Pontiac Grand Prix
- 1981 Pontiac Grand Prix
- 1982 Pontiac Grand Prix
- 1983 Pontiac Grand Prix
- 1984 Pontiac Grand Prix
- 1985 Pontiac Grand Prix
- 1986 Pontiac Grand Prix
- 1987 Pontiac Grand Prix
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