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Motive Gear MGK-130 Differential Ring & Pinion Bearing Rebuild Kit For Dana 30 Front & AMC 20 Rear Gear Ratio 4.88, 10/12-Bolt, 26/28 Spline Fits Jeep CJ5 CJ7 Includes Timken Bearings Replaces D30-488 in Saudi Arabia Motive Gear MGK-130 Differential Ring & Pinion Bearing Rebuild Kit For Dana 30 Front & AMC 20 Rear Gear Ratio 4.88, 10/12-Bolt, 26/28 Spline Fits Jeep CJ5 CJ7 Includes Timken Bearings Replaces D30-488 in Saudi Arabia

Motive Gear MGK-130 Differential Ring & Pinion Bearing Rebuild Kit For Dana 30 Front & AMC 20 Rear Gear Ratio 4.88, 10/12-Bolt, 26/28 Spline Fits Jeep CJ5 CJ7 Includes Timken Bearings Replaces D30-488

SAR 3,998
Brand
Motive Gear
Weight
16.7 kg
– 1 +

Special Features

  • Complete Front & Rear Set: Includes 4.88 ratio ring and pinion sets for Dana 30 front and AMC 20 rear axles, plus premium Timken bearing kits—ideal for Jeep CJ5 and CJ7 1976–1986.
  • Durable 8620 Steel Gears: Precision-cut from high-strength 8620 steel for superior durability, quiet operation, and dependable off-road performance in high-torque conditions.
  • Compatible with Carrier Breaks: Designed for use with 3.73 and higher ratio front carriers and 3.08 and higher rear carriers—ensuring optimal gear mesh and fitment.
  • Optimized Spline & Tooth Counts: Features 26-spline front and 28-spline rear pinions, 39-tooth ring gears, and standard gear rotation—delivering efficient torque transfer.
  • Backed by Warranty & Trusted Brand: Covered by a 1-Year / 50,000-Mile Warranty from Motive Gear—trusted by off-road and performance enthusiasts for quality drivetrain upgrades.

Description

Short Summary:
The Motive Gear MGK-130 includes front and rear 4.88 ratio ring & pinion gear sets for Dana 30 Standard and AMC 20 axles, plus Timken bearing kits. Designed for Jeep CJ5 and CJ7 (1976–1986), this complete package ensures improved torque, durability, and drivetrain performance on and off the trail.
Axle Models: Dana 30 Front & AMC 20 Rear
Gear Ratio: 4.88
Carrier Breaks: 3.73 & up front, 3.08 & up rear
Pinion Splines: 26 front / 28 rear
Ring Gear Bolt Count: 10 front / 8 rear
Material: 8620 Steel Gears, Timken Bearings Included
Warranty: 1 Year or 50,000 Miles
Jeep1976–1983 Jeep CJ5
1976–1986 Jeep CJ7
Motive Gear: AM20-488
Motive Gear: D30-488
Motive Gear stands behind its products with a 1-Year or 50,000-Mile warranty. Every gear set is precision-engineered for superior fitment, strength, and long-lasting performance. Timken bearings ensure a reliable rebuild with OEM-level quality and durability. Ideal for Jeep enthusiasts seeking improved crawl ratio and drivetrain reliability.

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