Revolution REV-JK-NON-488-K 4.88 Gear Package Dana 44/30 with Koyo Bearings

The Revolution REV-JK-NON-488-K is a complete 4.88 ratio gear package designed specifically for 2007-2018 Jeep Wrangler JK Non-Rubicon models equipped with Dana 44 rear and Dana 30 front differentials. This comprehensive kit includes front and rear ring and pinion gear sets along with master overhaul kits featuring premium Koyo bearings, providing everything needed for a complete differential regear.

Superior Construction and Performance:

• Manufactured from high-quality 8620 steel with precision heat treatment to OEM specifications
• Double and triple lapped gears for flawless setup, smooth operation, and extended service life
• Premium Koyo bearings and National seals for superior durability
• Optimized 4.88 gear ratio improves torque delivery, traction, and control on and off-road
• Ideal for Jeeps running 35-37 inch tires to restore lost performance and efficiency

Complete Master Overhaul Kits Include:

• Koyo bearings and National seals
• Pinion seal, pinion shims, and carrier shims
• Pinion nut and preload shims or crush sleeve
• Ring gear bolts with Loctite
• Gear marking compound for proper setup
• Gasket or sealant

Important Note: Front carrier case required when upgrading from factory 3.21 ratio only. This package is not compatible with Rubicon models. Professional installation by an experienced differential technician is highly recommended.

Backed by Revolution Gear's industry-leading 2-year warranty against manufacturing defects, this gear package delivers the quality and reliability that off-road enthusiasts have trusted for over 40 years.