Revolution Gear & Axle 4.56 Ratio Timken Bearing 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

Overview:

The Revolution Gear & Axle 4.56 Ratio Timken Bearing Gear Package 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 set offers an optimal balance of strength and precision. Ideal for off-road adventurers and daily drivers alike, it provides improved torque multiplication and better overall vehicle control, especially when paired with larger tires or lifted suspensions.

This gear package features premium Timken bearings, known for their durability and smooth operation, ensuring long-lasting performance under demanding conditions. Whether upgrading for trail readiness or restoring factory performance, this kit delivers dependable power transfer and enhanced drivetrain efficiency.

Key Features:

Built with quality and performance in mind, the Revolution Gear & Axle 4.56 Ratio Gear Package includes:

• 4.56 ring and pinion gear ratio optimized for increased torque and acceleration
• Timken tapered roller bearings for superior load handling and extended service life
• Precision-machined gears for quiet operation and reduced drivetrain vibration
• Heat-treated alloy steel construction for enhanced strength and durability
• Complete gear set including ring gear, pinion gear, bearings, and seals
• Direct fitment for Jeep Wrangler JK Rubicon (2007–2018) and Jeep Grand Cherokee (2005–2010)
• Improved gear mesh pattern for consistent power delivery and reduced wear
• Compatible with factory and aftermarket differentials

Construction & Design:

Each component in this gear package is crafted from high-grade alloy steel and undergoes a rigorous heat treatment process to ensure maximum strength and resistance to wear. The ring and pinion gears are precision-machined to tight tolerances, providing a smooth and quiet gear engagement. Timken bearings are incorporated to support the pinion shaft with minimal friction, enhancing durability and reducing heat buildup during operation.

The design focuses on reliability and longevity, making this gear package suitable for both on-road and off-road applications. The robust construction withstands the increased stresses associated with larger tires and modified suspensions, maintaining drivetrain integrity under challenging conditions.

Installation & Fitment:

This gear package is a direct replacement for the specified Jeep models and is designed to work with the original equipment differential housings. Installation requires professional tools and expertise to ensure proper gear setup, including backlash and preload adjustments. It is recommended to have the installation performed by a qualified technician to guarantee optimal performance and longevity.

No major modifications are necessary for fitment, but gear break-in procedures should be followed to maximize the lifespan of the components.

What's Included:

• 4.56 ratio ring gear
• Matching pinion gear
• Timken tapered roller bearings
• Seals and shims for installation
• Installation instructions

Ideal For:

This gear package is ideal for Jeep Wrangler JK Rubicon and Grand Cherokee owners who are upgrading their vehicles for improved off-road capability, enhanced towing performance, or compensation for larger aftermarket tires. It suits enthusiasts looking for a reliable, high-quality gear set that maintains factory-like drivability while delivering increased torque and drivetrain strength.