4.88 Ratio Differential Ring and Pinion for 8.875 (Inch) (12 Bolt)

Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer our ring and pinions for easy setup, superior strength, quality, and our vast ratio selection. Motive Gear produces the industry's widest range of OEM replacement ring and pinions. Engineered to the highest standards, every Motive Gear product goes through rigid quality control processes in our in-house lab. In combination with Motive Gear's performance and axle divisions: Motive Gear Performance and TEN Factory, there simply isn't a better value in drivetrain components.

AM20-488 Application Notes

Warranty

1 Year or 50,000 Miles

AM20-488 Specifications

Cover Bolt Quantity 12

Differential Carrier Break 3.08 Ratio and Higher

Differential Case Design Type AMC 20

Pinion Gear Tooth Quantity 8

Pinion Shaft Diameter 1.625 (Inch)

Pinion Spline Count 28

Ring & Pinion Gear Ratio 4.88

Ring Gear Bolt Quantity 8

Ring Gear Diameter 8.875 (Inch)

Ring Gear Material 8620 Steel

Ring Gear Rotation Standard

Ring Gear Tooth Quantity 39

Taxonomy A LD Differential, LD Differential, LD Differential, LD Differential, LD Differential

Taxonomy B Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion

Taxonomy C AMC 20, AMC 20, AMC 20, AMC 20, AMC 20

Taxonomy D Front or Rear, Front or Rear, Front or Rear, Front or Rear, Front, Rear

Where to buy

Vehicle Applications

1992 – 2001 AM General Hummer
Application notes:
- For AMC 20
- 4.88 Ratio
- Requires a 3.08 and Numerically Higher Ratio Carrier
1968 – 1970 American Motors AMX
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1978 – 1979 American Motors AMX
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1967 – 1974 American Motors Ambassador
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1967 – 1968 American Motors American
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1978 – 1979 American Motors Concord
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1972 – 1976 American Motors Gremlin
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1970 – 1977 American Motors Hornet
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1968 – 1974 American Motors Javelin
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1967 American Motors Marlin
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1971 – 1978 American Motors Matador
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1978 – 1979 American Motors Pacer
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1969 American Motors Rambler
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1967 – 1970 American Motors Rebel
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1979 American Motors Spirit
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1970 – 1972 Ford Royal
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
2002 – 2004 Hummer H1
Application notes:
- For AMC 20
- 4.88 Ratio
- Requires a 3.08 and Numerically Higher Ratio Carrier
2006 Hummer H1
Application notes:
- For AMC 20
- 4.88 Ratio
- Requires a 3.08 and Numerically Higher Ratio Carrier
1976 – 1983 Jeep CJ5
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1976 – 1986 Jeep CJ7
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1979 – 1983 Jeep Cherokee
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1986 Jeep Comanche
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1984 – 1986 Jeep Grand Wagoneer
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1980 – 1986 Jeep J10
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1981 – 1985 Jeep Scrambler
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher
1979 – 1983 Jeep Wagoneer
Application notes:
- For AMC 20
- 4.88 Ratio
- 3.08 Ratio Carrier and Higher

Installation

Installation Instructions

⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov