# UMI Performance 78-96 GM B-Body Adjustable Upper Control Arms - Poly Bushings

UMI’s adjustable rear upper control arms are a reliable addition to your street car, suitable for various driving conditions. The greaseable polyurethane bushings minimize suspension deflection for improved handling, pinion angle tuning, and less wheel hop. These on car adjustable upper control arms can be easily adjusted while bolted onto the car and are suitable for multiple applications. Made with heavy duty materials, including CNC laser cut mounting pads and a mix of TIG and MIG welding, these control arms are designed for durability. They are simple to install, taking approximately 1-2 hours, and can be used on all rear end housings. Installation: The item can be installed in about 1-2 hours using basic hand tools.

-   On car adjustment using UMI designed & manufactured chromoly adjuster.
-   Greaseable polyurethane bushings with zinc plated steel sleeves.
-   Chromoly threaded adapters for improved thread strength.
-   Durable and long lasting powder coat finish.
-   CNC laser cut ¼” upper mounting pads.
-   Made in Philipsburg, PA – USA.

This Part Fits:

Year

Make

Model

Submodel

1978-1981

Buick

LeSabre

Base

1985

Buick

LeSabre

Collector's Edition

1978,1982-1985

Buick

LeSabre

Custom

1985

Buick

LeSabre

Estate Wagon

1979-1985

Buick

LeSabre

Limited

1982

Buick

LeSabre

Limited Edition F/E

1978-1981

Buick

LeSabre

Sport

1992-1995

Buick

Roadmaster

Base

1996

Buick

Roadmaster

Collector's Edition

1991-1995

Buick

Roadmaster

Estate Wagon

1996

Buick

Roadmaster

Estate Wagon Collector's Edition

1992-1995

Buick

Roadmaster

Limited

1996

Buick

Roadmaster

Limited Collector's Edition

1986-1992

Chevrolet

Caprice

Base

1978-1996

Chevrolet

Caprice

Classic

1986-1990

Chevrolet

Caprice

Classic Brougham

1978,1981-1982

Chevrolet

Caprice

Classic Estate

1978-1981

Chevrolet

Caprice

Classic Landau

1993-1994

Chevrolet

Caprice

Classic LS

1987-1990

Chevrolet

Caprice

Classic LS Brougham

1991-1993

Chevrolet

Caprice

Classic LTZ

1979-1980

Chevrolet

Caprice

Classic Sport

1994-1996

Chevrolet

Impala

SS

1977-1981

Pontiac

Bonneville

Base

1977-1981

Pontiac

Bonneville

Brougham

1978-1981

Pontiac

Bonneville

Safari

1977-1981

Pontiac

Catalina

Base

1977-1981

Pontiac

Catalina

Safari

## Details

- **Price:** 405.35 CAD
- **Vendor:** UMI Performance
- **Type:** Control Arms

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 405.35 CAD | In stock |

## Images

- Photo - Primary

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/umi-performance-78-96-gm-b-body-adjustable-upper-control-arms-poly-bushings-1)
> Updated: 2026-07-14
