Revolution Gear & Axle 5.38 Ratio Gear Package w/ Koyo Bearing: Jeep Wrangler (07-18)

Revolution Gear & Axle Gear Package

2007–2018 Jeep Wrangler JK Non-Rubicon / 2005–2010 Jeep Grand Cherokee

REV-JK-NON-538-K

Overview:

The Revolution Gear & Axle 5.38 Ratio Gear Package with Koyo Bearing is engineered specifically for Jeep enthusiasts seeking enhanced drivetrain performance and reliability. Designed to fit 2007–2018 Jeep Wrangler JK Non-Rubicon models and 2005–2010 Jeep Grand Cherokee vehicles, this gear package offers a precise 5.38 gear ratio that optimizes torque delivery and improves overall vehicle capability.

This package is ideal for drivers who demand durable, high-quality components that maintain factory-like smoothness while providing the added strength needed for off-road adventures or heavy-duty street use. The inclusion of premium Koyo bearings ensures long-lasting durability and reduced friction for improved efficiency and quieter operation.

Key Features:

Built to meet the rigorous demands of Jeep owners, this gear package combines advanced engineering with premium materials. Key features include:

• 5.38 gear ratio optimized for enhanced torque and acceleration
• Precision-machined gears for smooth engagement and reduced noise
• High-quality Koyo bearings for superior durability and reduced friction
• Designed specifically for Jeep Wrangler JK Non-Rubicon (2007–2018) and Jeep Grand Cherokee (2005–2010)
• Improved drivetrain strength to handle off-road and heavy-load conditions
• Corrosion-resistant finish for extended service life
• Compatible with factory differentials and axle assemblies
• Manufactured to meet or exceed OEM specifications

Construction & Design:

This gear package is crafted from premium-grade alloy steel, heat-treated for maximum strength and wear resistance. The gears are precision-cut using advanced CNC machining processes to ensure exact tooth profiles and optimal mesh patterns. This meticulous manufacturing approach minimizes backlash and vibration, resulting in a quieter and more efficient drivetrain.

The included Koyo bearings are renowned for their high load capacity and smooth operation, contributing to reduced drivetrain noise and enhanced longevity. The entire assembly is finished with a protective coating to resist rust and corrosion, ensuring reliable performance in harsh environments.

Installation & Fitment:

The Revolution Gear & Axle 5.38 Ratio Gear Package is designed for direct fitment on 2007–2018 Jeep Wrangler JK Non-Rubicon and 2005–2010 Jeep Grand Cherokee models. Installation requires standard differential disassembly and reassembly procedures, and it is recommended to be performed by a professional or experienced technician to ensure proper setup and gear pattern adjustment.

No modifications to the axle housing or differential components are necessary, making this gear package a straightforward upgrade for those looking to improve their vehicle’s drivetrain performance and durability.

What's Included:

• 5.38 ratio ring and pinion gear set
• Koyo premium bearing set
• Installation instructions

Ideal For:

This gear package is perfect for Jeep owners who want to enhance their vehicle’s torque and drivetrain strength without sacrificing reliability. It suits off-road enthusiasts, daily drivers who tow or carry heavy loads, and anyone looking to restore or upgrade their Jeep’s differential gearing with high-quality components designed for long-term performance.