Revolution Gear & Axle 5.13 Ratio Gear Package w/ Koyo Bearing: 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-513-K

Overview:

The Revolution Gear & Axle 5.13 Ratio Gear Package with Koyo Bearing is engineered specifically for Jeep enthusiasts seeking enhanced off-road capability and improved drivetrain performance. Designed to fit 2007–2018 Jeep Wrangler JK Rubicon models and 2005–2010 Jeep Grand Cherokee vehicles, this gear package provides a precise gear ratio upgrade that optimizes torque delivery and vehicle responsiveness. Ideal for those who have upgraded tires or demand more aggressive gearing for trail and street use, this package ensures reliable power transfer and durability under demanding conditions.

Featuring premium Koyo bearings, this gear set offers smooth operation and long-lasting performance, making it a trusted choice for serious off-roaders and daily drivers alike. Revolution Gear & Axle’s commitment to quality and fitment precision guarantees a direct replacement that maintains factory tolerances and enhances drivetrain efficiency.

Key Features:

This 5.13 ratio gear package combines advanced engineering with high-quality components to deliver superior performance and reliability. Key features include:

• Optimized 5.13 gear ratio for improved torque multiplication and acceleration
• Includes premium Koyo bearings for enhanced durability and smooth operation
• Precision machined gears for exact fit and quiet performance
• Designed specifically for Jeep Wrangler JK Rubicon (2007–2018) and Jeep Grand Cherokee (2005–2010)
• Manufactured to meet or exceed OEM specifications
• Ideal for vehicles with larger tires or lifted suspensions
• Improves overall drivetrain efficiency and off-road capability
• Corrosion-resistant finish for extended service life

Construction & Design:

The Revolution Gear & Axle 5.13 Ratio Gear Package is crafted from high-grade alloy steel, heat-treated for maximum strength and wear resistance. The gears are precision cut using advanced manufacturing processes to ensure perfect tooth geometry and smooth meshing. This attention to detail reduces noise and vibration while enhancing power transfer efficiency.

Koyo bearings included in the package are renowned for their reliability and low friction characteristics, contributing to the overall longevity of the gear set. The package’s robust construction is designed to withstand the rigors of off-road driving and heavy-duty use without compromising performance.

Installation & Fitment:

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

What's Included:

• 5.13 ratio ring and pinion gear set
• Koyo premium bearings
• Installation hardware as required
• Detailed installation instructions

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 vehicle performance. It suits off-road enthusiasts, daily drivers seeking better throttle response, and anyone looking to enhance their Jeep’s drivetrain durability and efficiency without compromising reliability.