Drivetrain Differentials and Rear-End Components

Revolution Gear & Axle

JK Non-Rubicon 4.88 Ratio Gear Package (D44-D30) with Timken Bearings (Front Carrier Required When Upgrading From Factory 3.21 Ratio Only) Revolution Gear and Axle

$857.10

SKU: R01K REV-JK-NON-488

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This is a ring and pinion gear kit that includes a master overhaul kit. It's designed to re-gear the axles to a 4.88 ratio. Installation requires mechanical expertise or professional installation and has an estimated time of 6 hours. Upgrading from a factory 3.21 ratio may require a new front carrier.

Fitment

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Specifications

BrandRevolution Gear & Axle
Part NumberR01K REV-JK-NON-488

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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