# USA Standard Steel Spool For Model 20 w/ 29 Spline Axles / 3.08+

Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedicated off-road and drag racing vehicles only.

-   Provides 100% traction to both wheels at all times
-   Not recommended for street driven vehicles
-   3.08 and up ratio only
-   Fits AMC Model 20

This Part Fits:

Year

Make

Model

Submodel

1968-1970

American Motors

AMX

Base

1978-1979

American Motors

Concord

Base

1979

American Motors

Concord

DL

1979

American Motors

Concord

Limited

1977

American Motors

Hornet

AMX

1970-1971,1973-1977

American Motors

Hornet

Base

1971

American Motors

Hornet

SC/360

1971-1977

American Motors

Hornet

Sportabout

1970-1972

American Motors

Hornet

SST

1971-1974

American Motors

Javelin

AMX

1968-1974

American Motors

Javelin

Base

1968-1972

American Motors

Javelin

SST

1970

American Motors

Javelin

SST Mark Donohue

1970

American Motors

Javelin

SST Trans Am

1971-1978

American Motors

Matador

Base

1974

American Motors

Matador

Brougham

1974

American Motors

Matador

X

1975-1978

American Motors

Pacer

Base

1979-1980

American Motors

Pacer

DL

1979-1980

American Motors

Pacer

Limited

2006

Hummer

H1

Alpha

2002-2004

Hummer

H1

Base

1976-1983

Jeep

CJ5

Base

1977-1980

Jeep

CJ5

Golden Eagle

1980-1983

Jeep

CJ5

Laredo

1982-1983

Jeep

CJ5

Limited

1976-1983

Jeep

CJ5

Renegade

1976-1986

Jeep

CJ7

Base

1977-1979

Jeep

CJ7

Golden Eagle

1980

Jeep

CJ7

Golden Hawk

1980-1983,1985-1986

Jeep

CJ7

Laredo

1982-1983

Jeep

CJ7

Limited

1976-1986

Jeep

CJ7

Renegade

1976-1986

Jeep

J10

Base

1981-1986

Jeep

Scrambler

Base

1985-1986

Jeep

Scrambler

Laredo

1985-1986

Jeep

Scrambler

Renegade

1982-1983

Jeep

Scrambler

SL

1982-1984

Jeep

Scrambler

SR

1979-1982,1984-1986

Jeep

Wagoneer

Base

1982-1983

Jeep

Wagoneer

Brougham

1979-1986

Jeep

Wagoneer

Limited

## Details

- **Price:** 431.06 CAD
- **Vendor:** Yukon Gear & Axle
- **Type:** Differentials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 431.06 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/usa-standard-steel-spool-for-model-20-w-29-spline-axles-3-08)
> Updated: 2026-06-28