Motive Gear Ring and Pinion Installation Kit Combos MGK-138 Dana 30/44 Jeep Wrangler JL 4.88 Gears Gears, Combos, JL, 4.88:1 Ratio, 24/32-spline, Jeep,
Motive Gear Ring and Pinion Installation Kit Combos MGK-138 Dana 30/44 Jeep Wrangler JL 4.88 Gears Gears, Combos, JL, 4.88:1 Ratio, 24/32-spline, Jeep,
A$2,803.18
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Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 06:09:06
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: ring)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Motive Gear |
| StreetFX SKU | mgrMGK-138 |
| SFX Item ID | 4797256 |
| Accounting SKU | mgr-MGK-138 |
| Manufacturer SKU | MGK-138 |
| Manufacturer UPC | 698231652466 |
| Alternative References | MGR-MGK-138, MOTMGK-138 |
Ring and Pinion Gears, Ring and Pinion Gear and Installation Kit Combos, Dana 30/44 JL, 4.88:1 Ratio, 24/32-spline, Jeep, Kit
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.
| Product Attributes | |
|---|---|
| Brand | Motive Gear |
| Manufacturer's Part Number | MGK-138 |
| Part Type | Ring and Pinion Gears |
| Product Line | Motive Gear Ring and Pinion Gear and Installation Kit Combos |
| UPC | 698231652466 |
| Differential Case Design Type | Dana 30/44, Jeep Wrangler JL |
| Ring and Pinion Ratio | 4.88:1 |
| Cover Bolts | 10/12 |
| Ring Gear Bolts | 10 |
| Pinion Spline Count | 24, 32 |
| Ring Gear Rotation | Reverse/Standard |
| Ring Gear Teeth | 39 |
| Pinion Gear Teeth | 8 |
| Ring Gear Diameter (in.) | 7.125 in./8.600 in. |
| Pinion Shaft Diameter (in.) | 1.376 in./1.750 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 | No |
| 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. |
Compatibility
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