Revolution Gear & Axle 4.56 Ratio Gear Package: 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-456-K

Overview:

The Revolution Gear & Axle 4.56 Ratio Gear Package is engineered specifically for Jeep enthusiasts seeking enhanced off-road performance and drivetrain reliability. Designed to fit 2007–2018 Jeep Wrangler JK Rubicon models and 2005–2010 Jeep Grand Cherokee vehicles, this gear set provides an optimal balance of power and efficiency. Featuring premium Koyo bearings, this package ensures smooth operation and long-lasting durability under demanding conditions.

Whether you are upgrading for larger tires, improved torque delivery, or better overall drivability, this gear package offers a direct-fit solution that maintains factory specifications while elevating your vehicle’s capability.

Key Features:

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

• 4.56 gear ratio optimized for enhanced torque and acceleration
• Includes high-quality Koyo bearings for superior durability and reduced friction
• Precision-machined gears for smooth engagement and quiet operation
• Direct bolt-in fitment for 2007–2018 Jeep Wrangler JK Rubicon and 2005–2010 Jeep Grand Cherokee
• Improves drivetrain efficiency when paired with larger tires or lifted suspensions
• Manufactured to meet or exceed OEM standards for strength and reliability
• Ideal for off-road enthusiasts and daily drivers seeking enhanced performance

Construction & Design:

The Revolution Gear & Axle package features gears crafted from premium alloy steel, heat-treated for maximum strength and wear resistance. The precision machining process ensures exact tooth profiles for optimal meshing and minimal backlash, resulting in quieter operation and longer gear life. The included Koyo bearings are renowned for their high load capacity and smooth rotation, contributing to reduced drivetrain noise and improved reliability.

Every component is engineered to withstand the rigors of off-road use while maintaining factory-level fitment and function, ensuring a seamless upgrade experience.

Installation & Fitment:

This gear package is designed for direct replacement in the specified Jeep Wrangler JK Rubicon and Grand Cherokee models, requiring no modifications to the axle housing or differential. Installation should be performed by a qualified technician with experience in differential gear setups to ensure proper backlash, gear pattern, and preload settings. Proper installation guarantees optimal performance and longevity of the gear set.

What's Included:

• 4.56 ratio ring and pinion gears
• Koyo bearings pre-installed or included for replacement
• Installation instructions and specifications

Ideal For:

This gear package is ideal for Jeep owners who have upgraded to larger tires or lifted suspensions and require a gear ratio that restores or improves power delivery and drivability. It suits off-road enthusiasts, trail riders, and daily drivers looking for a reliable, high-quality gear upgrade that enhances torque without compromising smoothness or durability.