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

Introducing UMI’s 2nd Gen F-body and 78-96 B-Body adjustable upper a-arms – the ultimate combination of race-worthy performance and street-smart versatility. Enjoy improved cornering traction and steering precision with our P/N 2656-1 adjustable upper a-arms. Achieve the perfect balance of caster and camber adjustment without excessive shimming, thanks to UMI’s single adjustable rod end design. Made with robust tubular construction and 4140 CrMo cross shaft for peace of mind on the track or mountain roads. Available in striking UMI red or sleek gloss black powder coat finishes - proudly designed, manufactured, and raced in the USA. Ideal for Pro-Tour style cars requiring stability and cornering performance, suitable for race and street use. 100% manufactured in Philipsburg, PA, USA.

-   Ideal for Pro-Tour style cars requiring stability and cornering performance, suitable for race and street use
-   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
-   Includes thick laser-cut ball joint plate with high-quality tall ball joint
-   Combine with UMI lower A-arms for 8 to 10 degrees of positive caster
-   Shorter design reduces need for shims with racing alignment settings
-   ½” Taller ball joint improves camber gain and cornering traction
-   Features 4140 CrMo cross shaft for added strength
-   100% manufactured in Philipsburg, PA, USA
-   Direct bolt-in for 1970-1981 GM F-body
-   Camber range from -0.5° to -3°

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

1970-1981

Pontiac

Firebird

Base

1970-1981

Pontiac

Firebird

Esprit

1970-1981

Pontiac

Firebird

Formula

1970-1981

Pontiac

Firebird

Trans Am

## Details

- **Price:** 988.01 CAD
- **Vendor:** UMI Performance
- **Type:** Control Arms

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 988.01 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-tall-ball-joints)
> Updated: 2026-07-01