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Instruction Sheets for Part Number MGR-MGK-114
Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-114 Dana 30 4.88 Gears
Part Number: MGR-MGK-114
Motive Gear Ring and Pinion Gear and Installation Kit Combos
Ring and Pinion Gears, Ring and Pinion Gear and Installation Kit Combos, Dana 30, 4.88:1 Ratio, 26-spline, Standard Rotation, Jeep, Kit
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Estimated Ship Date: Nov 4, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
MGK-114
Part Type:
Product Line:
Summit Racing Part Number:
MGR-MGK-114
UPC:
698231951781
Differential Case Design Type:
Dana 30
Ring and Pinion Ratio:
4.88:1
Cover Bolts:
10
Ring Gear Bolts:
10
Pinion Spline Count:
26
Carrier Series:
4
Ring Gear Rotation:
Standard
Ring Gear Teeth:
39
Pinion Gear Teeth:
8
Ring Gear Diameter (in.):
7.200 in.
Pinion Shaft Diameter (in.):
1.376 in.
Installation Kit Included:
Yes
Cover Gasket Included:
Yes
Pinion Shims Included:
Yes
Carrier Shims Included:
Yes
Crush Sleeve Included:
Yes
Pinion Seal Included:
Yes
Pinion Nut Included:
Yes
Ring Gear Bolts Included:
Yes
Head Bearing Included:
Yes
Tail Bearing Included:
Yes
Carrier Bearings Included:
Yes
Axle Seals Included:
Yes
Axle Bearings Included:
No
Differential Cover Included:
No
Differential Oil Included:
No
Friction Modifier Included:
No
Installation DVD Included:
No
Quantity:
Sold as a kit.
Notes:
Dana 30 front kit and Dana 44 rear kit. Includes Timken bearings, front axle seals, marking compound and brush. Fits 3.73 and higher carrier front. Fits 3.54 and higher carrier rear. If currently using a 3.73 ratio you will need to purchase a new rear carrier. If currently using a 3.54 or 3.07 ratio you will need to purchase a new front & rear carrier.
Motive Gear Ring and Pinion Gear and Installation Kit Combos
Want to get back the power and gas mileage that you lost from installing those big tires on your Jeep? Motive Gear makes it easy to re-gear your 4x4 with their ring and pinion gear and installation kit combos. These complete kit combos include front and rear ring and pinion sets, plus front and rear bearing kits, giving you everything you need to re-gear the front and rear differentials in one package. The kits come in a wide range of ratios for most Dana applications. Their quality is the result of years of development, outstanding design, and state-of-the-art manufacturing methods to ensure a perfect fit for an easy install.
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