Differential Ring and Pinon Front and Rear Complete Kit (10 Front, 12 Rear, 12 Rear, 10 Front)

131205

Motive Gear makes it easy to re-gear your 4x4! Motive Gear complete front and rear differential kit includes: front and rear ring and pinions, plus front and rear bearing kits. Everything you need when changing tire size on your off-road vehicle.

MGK-129 Application Notes

Warranty

1 Year or 50,000 Miles

MGK-129 Specifications

App Model AMC 20, Dana 30 Standard
Cover Bolt Quantity 10 Front, 12 Rear, 12 Rear, 10 Front
Differential Carrier Break 3.73 Ratio and Higher Front, 3.08 Ratio and Higher Rear, 3.73 Ratio and Higher Front, 3.08 Ratio and Higher Rear
Differential Case Design Type AMC 20, Dana 30 Standard, Dana 30 Standard, AMC 20
Gear Ratio 4.56, 4.56
Pinion Gear Tooth Quantity 9, 9
Pinion Shaft Diameter 1.376 Front (Inch), 1.625 Rear (Inch), 1.625 Rear (Inch), 1.376 Front (Inch)
Pinion Spline Count 26 Front, 28 Rear, 28 Rear, 26 Front
Position Front and Rear
Prop 65 Long Label WARNING: Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Short Label WARNING: Cancer - www.p65warnings.ca.gov
Prop 65 Y N N
Ratio 4.56
Ring Gear Bolt Quantity 10 Front, 8 Rear, 8 Rear, 10 Front
Ring Gear Material 8620 Steel, 8620 Steel
Ring Gear Outside Diameter 7.125 Front (Inch), 8.875 Rear (Inch), 7.125 Front (Inch), 8.875 Rear (Inch)
Ring Gear Rotation Standard, Standard
Ring Gear Tooth Quantity 41, 41
Taxonomy A LD Differential, LD Differential, LD Differential, LD Differential
Taxonomy B Ring and Pinion Gear Packages, Ring and Pinion Gear Packages, Ring and Pinion Gear Packages
Taxonomy C Front and Rear, Front and Rear, Front and Rear
Taxonomy D 4.56, 4.56, 4.56
Where to buy

Vehicle Applications

  • 1977 – 1981 Chrysler Comet

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1976 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1977 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1978 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1979 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1979 – 1980 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1980 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1981 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1981 – 1982 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1982 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1983 Jeep CJ5

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1976 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1976 – 1977 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1977 – 1978 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1978 – 1979 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1979 – 1980 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1980 – 1981 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1981 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1982 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1982 – 1983 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1983 – 1984 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1984 – 1985 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear
  • 1985 – 1986 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Requires 3.73 and Higher Front Carrier
    • Requires 3.08 and Higher Rear Carrier
  • 1986 Jeep CJ7

    Application notes:

    • For Dana 30 and AMC 20 - Ring and Pinions Including Timken Bearing Kits
    • 4.56 Ratio
    • Fits 3.73 and Higher Carrier Front
    • Fits 3.08 and Higher Carrier Rear

Installation

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