4.88 Ratio Differential Ring and Pinon Front and Rear Complete Kit for 7.125 Front (Inch), 8.875 Rear (Inch) (10 Front, 12 Rear)

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-130 Application Notes

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


1 Year or 50,000 Miles

MGK-130 Specifications

Cover Bolt Quantity 10 Front, 12 Rear
Differential Case Design Type AMC 20, Dana 30
Front Differential Carrier Break 3.73 and Higher
Pinion Gear Tooth Quantity 8
Pinion Shaft Diameter 1.376 Front (Inch), 1.625 Rear (Inch)
Pinion Spline Count 26 Front, 28 Rear
Rear Differential Carrier Break 3.08 and Higher
Ring & Pinion Gear Ratio 4.88
Ring Gear Bolt Quantity 10 Front, 8 Rear
Ring Gear Diameter 7.125 Front (Inch), 8.875 Rear (Inch)
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 39
Taxonomy A Differential LD
Taxonomy B Ring and Pinion Gear Kits
Where to buy

Vehicle Applications

  • 1976 – 1983 Jeep CJ5
  • 1976 – 1986 Jeep CJ7
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov