Revolution Gear & Axle Gear Package

2007–2018 Jeep Wrangler

Part #: REV-JK-RUB-538-K

Overview

The Revolution Gear & Axle 5.38 Ratio Gear Package with Koyo Bearing is a precision-engineered upgrade designed specifically for the 2007–2018 Jeep Wrangler JK models. This gear set enhances your vehicle's drivetrain by improving torque multiplication and power transfer, making it an excellent choice for off-road enthusiasts and daily drivers alike. Featuring high-quality Koyo bearings, this package ensures smooth operation and increased durability under demanding conditions.

Whether you are tackling rugged trails or navigating city streets, this gear package optimizes your Jeep Wrangler’s performance by delivering improved drivability and efficiency. It is an ideal upgrade for owners looking to maximize their vehicle’s capability without compromising reliability or fitment.

Key Features

This gear package combines advanced engineering with premium components to provide a reliable and performance-oriented upgrade:

• 5.38 gear ratio for enhanced torque and power delivery
• Includes durable Koyo bearings for superior reliability and smooth operation
• Precision-machined gears for optimal meshing and long-lasting performance
• Designed specifically for Jeep Wrangler JK Rubicon and compatible Grand Cherokee models
• Improves off-road traction and on-road drivability
• Enhances drivetrain efficiency and reduces drivetrain noise
• Direct bolt-in fitment with no modifications required
• Manufactured to meet or exceed OEM specifications

Construction & Design

The Revolution Gear & Axle gear package is built with high-grade materials and advanced manufacturing processes to ensure durability and precision. The gears are crafted from premium alloy steel and undergo heat treatment to enhance strength and wear resistance. The inclusion of Koyo bearings, known for their exceptional quality and longevity, further improves the overall reliability of the drivetrain components.

Each gear set is carefully inspected and balanced to ensure smooth engagement and minimal vibration. The design focuses on maintaining factory tolerances to guarantee a perfect fit and seamless integration with your Jeep’s existing axle assembly.

Installation & Fitment

This gear package is engineered for direct fitment on 2007–2018 Jeep Wrangler JK models, including Rubicon trims. Installation requires standard axle disassembly and gear replacement procedures, making it suitable for professional mechanics or experienced DIY enthusiasts. No additional modifications or machining are necessary, ensuring a straightforward upgrade process.

Proper installation and setup, including correct backlash and gear pattern adjustment, are essential to maximize performance and longevity. It is recommended to have the installation performed or inspected by a qualified technician to ensure optimal results.

What's Included

• 5.38 ratio ring and pinion gear set
• Koyo bearings pre-installed for enhanced durability
• Installation instructions and technical support

Ideal For

This gear package is ideal for Jeep Wrangler JK owners seeking to improve their vehicle’s off-road capability and on-road performance. It is especially beneficial for those who have upgraded tires or suspension components that require a higher gear ratio to maintain optimal power delivery and drivability. Whether you use your Jeep for trail riding, rock crawling, or daily commuting, this gear set provides a balanced enhancement to your drivetrain’s efficiency and reliability.

Revolution Gear & Axle supplies drivetrain and off-road gearing essentials like ring-and-pinion sets, gear packages, axle kits, and differential components built for hard use. With a strong focus on Jeep and truck applications, Revolution is a go-to for enthusiasts re-gearing for bigger tires, improved crawl ratio, and dependable power transfer on trail, dunes, and rocky terrain.