Revolution Gear & Axle Dana 44 Rear Axle 4.88 Ratio Ring & Pinion Set: Jeep Wrangler JK (07-18) / Grand Cherokee (05-10)

Revolution Gear & Axle Dana 44 Rear Axle Ring & Pinion Set

2007–2018 Jeep Wrangler JK / 2005–2010 Jeep Grand Cherokee

D44JK-488

Overview:

The Revolution Gear & Axle Dana 44 Rear Axle 4.88 Ratio Ring & Pinion Set is engineered specifically for Jeep enthusiasts seeking enhanced performance and durability. Designed to fit 2007–2018 Jeep Wrangler JK models and 2005–2010 Jeep Grand Cherokee vehicles equipped with Dana 44 rear axles, this ring and pinion set provides an optimized gear ratio for improved torque delivery and off-road capability.

This gear set is ideal for drivers who have upgraded tires or require better low-end power for trail driving, towing, or heavy-duty applications. By upgrading to a 4.88 gear ratio, you can restore or improve your vehicle’s acceleration and drivability while maintaining reliable drivetrain performance.

Key Features:

Built to meet the demands of off-road and street use, this Revolution Gear & Axle ring and pinion set offers the following key features:

• Precise 4.88 gear ratio optimized for enhanced torque and power delivery
• Compatible with Dana 44 rear axles found in Jeep Wrangler JK (2007–2018) and Jeep Grand Cherokee (2005–2010)
• Manufactured from high-quality alloy steel for superior strength and durability
• Heat-treated and precision machined for long-lasting wear resistance
• Designed to maintain proper gear mesh and backlash for quiet operation
• Restores factory performance lost due to larger tires or heavy loads
• Ideal for off-road enthusiasts, daily drivers, and towing applications
• Direct bolt-in replacement with no modifications required

Construction & Design:

This ring and pinion set is crafted from premium alloy steel that undergoes rigorous heat treatment processes to enhance hardness and fatigue resistance. The precision machining ensures exact tooth profiles and smooth gear engagement, which reduces noise and vibration during operation. The robust construction is designed to withstand the increased stresses of off-road use and larger tire sizes, providing reliable performance over extended periods.

Each component is engineered to fit perfectly within the Dana 44 rear axle housing, maintaining proper gear alignment and backlash to ensure optimal drivetrain efficiency and longevity.

Installation & Fitment:

The Revolution Gear & Axle Dana 44 Rear Axle 4.88 Ratio Ring & Pinion Set is a direct fit replacement for the specified Jeep models. Installation requires standard axle disassembly and gear installation procedures, including setting proper backlash and gear pattern. It is recommended that installation be performed by a professional or experienced technician to ensure correct setup and to avoid premature wear or damage.

No modifications to the axle housing or other drivetrain components are necessary, making this an efficient upgrade for Jeep Wrangler JK and Grand Cherokee owners looking to improve their vehicle’s gearing.

What's Included:

• One 4.88 ratio ring gear
• One matching pinion gear
• Installation instructions (where applicable)

Ideal For:

This ring and pinion set is perfect for Jeep Wrangler JK and Grand Cherokee owners who have installed larger tires or require improved low-speed torque for off-road trails, towing, or hauling. It is also suitable for enthusiasts seeking to restore factory performance after drivetrain modifications or wear.