4.88 Ratio Differential Ring and Pinion for 7.125 (Inch) (10 Bolt)

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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.

D30-488 Application Notes

Warranty

1 Year or 50,000 Miles

D30-488 Specifications

Cover Bolt Quantity 10
Differential Carrier Break 3.73 Ratio and Higher
Differential Case Design Type Dana 30 Standard
Pinion Gear Tooth Quantity 8
Pinion Shaft Diameter 1.376 (Inch)
Pinion Spline Count 26
Ring & Pinion Gear Ratio 4.88
Ring Gear Bolt Quantity 10
Ring Gear Diameter 7.125 (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 Dana 30 Standard, Dana 30 Standard, Dana 30 Standard, Dana 30 Standard, Dana 30 Standard
Taxonomy D Front, Front, Front, Front, Front
Where to buy

Vehicle Applications

  • 1980 – 1988 American Motors Eagle

    Application notes:

    • For Dana 30
    • 4.88 Ratio
    • 3.73 Ratio Carrier and Higher
  • 1966 – 1971 Ford Bronco

    Application notes:

    • For Dana 30
    • 4.88 Ratio
    • 3.73 Ratio Carrier and Higher
  • 1967 – 1971 International Scout

    Application notes:

    • For Dana 30
    • 4.88 Ratio
    • 3.73 Ratio Carrier and Higher
  • 1971 – 1977 International Scout II

    Application notes:

    • For Dana 30
    • 4.88 Ratio
    • 3.73 Ratio Carrier and Higher
  • 1976 – 1986 Jeep CJ7

    Application notes:

    • For Dana 30
    • 4.88 Ratio
    • 3.73 Ratio Carrier and Higher
  • 1993 – 1996 Jeep Grand Cherokee

    Application notes:

    • For Dana 30
    • 4.88 Ratio
    • 3.73 Ratio Carrier and Higher
    • Requires Conversion Bearing Kit with Preload Shims
  • 1981 – 1985 Jeep Scrambler

    Application notes:

    • For Dana 30
    • 4.88 Ratio
    • 3.73 Ratio Carrier and Higher

Installation

Installation Instructions
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