# UMI Performance 70-81 GM F-Body Upper A-arms Front Adjustable

UMI introduces the 2nd Gen F-body & 78-96 B-Body adjustable upper a-arms, offering a perfect balance of performance and street versatility. These a-arms provide enhanced steering precision with added caster, along with easy adjustments for caster and camber. Crafted from robust tubular construction with a 4140 CrMo cross shaft, they offer unwavering strength on both the track and winding roads. Available in UMI red or gloss black powder coat finishes, these a-arms are made in the USA with unbeatable quality assurance.

-   Shorter design reduces need for shims with racing alignment settings; camber range from -0.5° to -2.5°
-   Constructed with 1.250” USA Made DOM steel and 4140 threaded adapters for durability
-   Enhances steering feel with 5 to 6 degrees of additional caster, reducing wandering
-   Rod ends minimize stiction for responsive drag race reaction and consistent times
-   Pair with UMI lower A-arms for 8 to 10 degrees of positive caster
-   Includes thick laser-cut ball joint plate and premium ball joint
-   Direct bolt-in for 1970-1981 GM F-body & 1978-1996 GM B-Body
-   Features 4140 CrMo cross shaft for added strength
-   100% manufactured 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

1970-1980

Chevrolet

Camaro

Base

1979-1981

Chevrolet

Camaro

Berlinetta

1973-1978

Chevrolet

Camaro

LT

1976-1978

Chevrolet

Camaro

LT Rally Sport

1976-1980

Chevrolet

Camaro

Rally Sport

1970-1973,1975

Chevrolet

Camaro

RS

1981

Chevrolet

Camaro

Sport

1970-1972

Chevrolet

Camaro

SS

1970-1974,1977-1981

Chevrolet

Camaro

Z28

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

1975-1979

Chevrolet

Nova

Base

1976-1977

Chevrolet

Nova

Concours

1975,1978-1979

Chevrolet

Nova

Custom

1975

Chevrolet

Nova

LN

1975-1978

Chevrolet

Nova

Police

1977-1979

Chevrolet

Nova

Rally

1976

Chevrolet

Nova

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

1970-1981

Pontiac

Firebird

Base

1970-1981

Pontiac

Firebird

Esprit

1970-1981

Pontiac

Firebird

Formula

1970-1981

Pontiac

Firebird

Trans Am

## Details

- **Price:** 891.4 CAD
- **Vendor:** UMI Performance
- **Type:** Control Arms

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 891.40 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/umi-performance-70-81-gm-f-body-upper-a-arms-front-adjustable)
> Updated: 2026-07-01