Revolution Gear & Axle 4.88 Ratio Gear Package w/ Timken Bearing: Jeep Wrangler JK Non-Rubicon (07-18) / Grand Cherokee (05-10)

Revolution Gear & Axle Gear Package

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

REV-JK-NON-488

Overview:

The Revolution Gear & Axle 4.88 Ratio Gear Package with Timken Bearing is engineered specifically for Jeep enthusiasts seeking enhanced drivetrain performance and reliability. Designed to fit 2007–2018 Jeep Wrangler JK Non-Rubicon models and 2005–2010 Jeep Grand Cherokee vehicles, this gear set offers an optimal gear ratio upgrade that improves torque delivery and overall vehicle capability.

This gear package is ideal for drivers who have upgraded tires or seek better off-road performance without sacrificing drivability on the street. By increasing the gear ratio to 4.88, it helps restore power lost from larger tires and heavy accessories, ensuring your Jeep maintains strong acceleration and climbing ability.

Key Features:

Revolution Gear & Axle’s 4.88 Ratio Gear Package incorporates advanced design and premium components to deliver dependable performance:

• Precision-cut 4.88 gear ratio optimized for off-road and street use
• Includes high-quality Timken bearings for superior durability and reduced friction
• Compatible with Jeep Wrangler JK Non-Rubicon (2007–2018) and Jeep Grand Cherokee (2005–2010)
• Manufactured to meet or exceed OEM specifications for fit and function
• Improves torque multiplication for enhanced climbing and towing capability
• Designed to maintain smooth and quiet operation under load
• Ideal for vehicles with larger tires or added weight from aftermarket modifications
• Comprehensive gear set includes ring and pinion gears precisely matched for optimal mesh

Construction & Design:

This gear package is crafted from premium-grade alloy steel, heat-treated for maximum strength and wear resistance. The precision machining process ensures exact tooth geometry, which promotes quiet operation and long service life. The inclusion of Timken bearings enhances the assembly’s reliability by reducing friction and heat buildup during operation.

Revolution Gear & Axle employs rigorous quality control standards to guarantee that each gear set meets strict tolerances. This attention to detail ensures a perfect fit and smooth engagement, minimizing the risk of premature wear or failure even under demanding off-road conditions.

Installation & Fitment:

The 4.88 Ratio Gear Package is designed for direct fitment on 2007–2018 Jeep Wrangler JK Non-Rubicon and 2005–2010 Jeep Grand Cherokee models. Installation requires professional tools and expertise, including proper setup of gear backlash and preload to ensure optimal performance and longevity. It is recommended that installation be performed by a qualified technician familiar with differential gear replacement.

No modifications to the axle housing or drivetrain components are necessary, making this gear package a straightforward upgrade for restoring or enhancing vehicle performance after tire or accessory upgrades.

What's Included:

• 4.88 Ratio ring gear
• 4.88 Ratio pinion gear
• Timken bearings
• Seals and hardware necessary for installation
• Installation instructions

Ideal For:

This gear package is perfect for Jeep owners who have installed larger tires or added weight to their vehicles and need to restore lost torque and drivability. It suits off-road enthusiasts, daily drivers, and anyone looking to improve their Jeep’s climbing ability, towing capacity, and overall drivetrain efficiency without compromising reliability.