Revolution Gear & Axle Gear Package

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

Part #: REV-JK-NON-488

Overview

The Revolution Gear & Axle 4.88 Ratio Timken Bearing Gear Package is a precision-engineered upgrade designed specifically for Jeep enthusiasts seeking enhanced drivetrain performance and durability. Tailored to fit 2007–2018 Jeep Wrangler JK Non-Rubicon models and 2005–2010 Jeep Grand Cherokee vehicles, this gear package offers a significant improvement in torque multiplication and acceleration response. Whether you’re tackling off-road trails or navigating demanding terrain, this gear set ensures your Jeep delivers reliable power transfer while maintaining smooth and quiet operation.

Built with high-quality Timken bearings, this package enhances the longevity and strength of your rear axle assembly, making it an ideal choice for drivers who demand both performance and durability from their drivetrain components. Upgrade your Jeep’s rear differential with Revolution Gear & Axle’s 4.88 ratio gear package to experience improved throttle response and dependable off-road capability.

Key Features

This gear package combines advanced engineering with premium materials to deliver superior performance and reliability. Key features include:

• 4.88 gear ratio optimized for increased torque and acceleration
• Precision-machined gears for smooth, quiet operation
• Durable Timken bearings for enhanced strength and extended service life
• Specifically designed for 2007–2018 Jeep Wrangler JK Non-Rubicon and 2005–2010 Jeep Grand Cherokee rear axles
• Improved drivetrain efficiency for better off-road traction and control
• Direct bolt-in fitment with no modifications required
• Engineered to withstand rigorous off-road and daily driving conditions
• Manufactured to meet or exceed OEM quality standards

Construction & Design

The Revolution Gear & Axle 4.88 Ratio Gear Package features gears crafted from high-grade alloy steel, heat-treated for maximum strength and wear resistance. The precision machining process ensures exact tooth profiles and tight tolerances, which contribute to quieter operation and improved gear mesh efficiency. The inclusion of premium Timken bearings further enhances durability by reducing friction and supporting the gear assembly under heavy loads.

This robust construction is ideal for Jeep owners who demand a reliable drivetrain capable of handling both on-road performance and off-road challenges. The gear package is engineered to maintain optimal alignment and balance within the axle housing, promoting long-term reliability and consistent performance.

Performance & Sound

Upgrading to a 4.88 gear ratio significantly improves torque delivery, resulting in quicker acceleration and enhanced throttle response. This is particularly beneficial for off-road driving, towing, or when larger tires are installed. The precision gear design and high-quality Timken bearings also contribute to reduced gear noise and vibration, ensuring a smoother and quieter driving experience compared to lower-quality gear sets.

Installation & Fitment

This gear package is designed for direct replacement in the rear axles of 2007–2018 Jeep Wrangler JK Non-Rubicon and 2005–2010 Jeep Grand Cherokee models. Installation requires standard differential gear installation procedures and should be performed by a qualified technician to ensure proper setup and break-in. No modifications to the axle housing or drivetrain components are necessary, making it a straightforward upgrade for those looking to improve their Jeep’s performance and reliability.

What's Included

• 4.88 ratio ring and pinion gear set
• Premium Timken bearings
• Installation hardware
• Detailed installation instructions

Ideal For

This gear package is ideal for Jeep Wrangler JK Non-Rubicon and Grand Cherokee owners who want to enhance their vehicle’s torque and acceleration, especially when upgrading to larger tires or seeking improved off-road capability. It suits enthusiasts who demand a durable, high-performance drivetrain component that maintains smooth operation and long-term reliability under demanding conditions.

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.