Revolution Gear & Axle 5.38 Ratio Gear Package w/ Koyo Bearing: Jeep Wrangler JK Rubicon (07-18) / Grand Cherokee (05-10)

Revolution Gear & Axle Gear Package

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

REV-JK-RUB-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 Rubicon models and 2005–2010 Jeep Grand Cherokee vehicles, this gear package provides an optimized gear ratio that improves torque delivery and overall vehicle capability.

Ideal for off-road adventurers and daily drivers alike, this gear set ensures smoother acceleration, better control, and increased durability under demanding conditions. The inclusion of premium Koyo bearings further enhances the package’s longevity and operational efficiency.

Key Features:

This gear package combines precision engineering with high-quality components to deliver dependable performance upgrades:

• 5.38 gear ratio optimized for improved torque and power delivery
• Includes premium Koyo bearings for superior durability and reduced friction
• Precision-machined gears for smooth engagement and quiet operation
• Designed specifically for Jeep Wrangler JK Rubicon (2007–2018) and Jeep Grand Cherokee (2005–2010)
• Enhances off-road capability and on-road drivability
• Compatible with factory differentials and axle assemblies
• Improves throttle response and climbing performance
• Manufactured to meet or exceed OEM specifications

Construction & Design:

The Revolution Gear & Axle package is crafted from high-grade alloy steel, heat-treated for maximum strength and wear resistance. Each gear is precision-cut using advanced CNC machining to ensure exact tooth profiles and optimal mesh patterns. This meticulous manufacturing process minimizes gear noise and vibration while maximizing durability.

Koyo bearings included in the package are renowned for their robust construction and smooth operation, contributing to reduced drivetrain friction and extended service life. The combination of these components results in a gear package that withstands the rigors of off-road use and heavy-duty applications.

Installation & Fitment:

This gear package is designed for direct fitment on 2007–2018 Jeep Wrangler JK Rubicon and 2005–2010 Jeep Grand Cherokee models, requiring no modifications to the axle housing or differential assembly. Installation should be performed by a qualified technician familiar with gear set replacement to ensure proper setup, including backlash and gear pattern adjustments.

Proper installation guarantees optimal performance and longevity, maintaining factory reliability while delivering enhanced drivetrain capabilities.

What's Included:

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

Ideal For:

This gear package is perfect for Jeep owners looking to upgrade their vehicle’s drivetrain for improved torque and off-road performance. It suits those who frequently tackle challenging terrain, tow heavier loads, or desire a more responsive driving experience without sacrificing reliability.