Jeep Wrangler Differential Install Kit - Front + Rear - Revolution Gear & Axle - Dana 44 Thick Koyo 5.38 Ratio - '03-'06. This complete gear package supplies matched front and rear gears and bearings for 2003–2006 Jeep Wrangler TJ Rubicon Dana 44 axles, built for drivers upgrading gear ratio and durability.

This kit from Revolution Gear & Axle includes thick Dana 44 gears with Koyo bearings and a 5.38 final drive ratio for both front and rear axles. It’s intended as a direct-fit solution for TJ Rubicon owners who need matched ratios after tire or drivetrain changes. The heavy-duty Dana 44 “thick” gears offer stronger tooth engagement and the Koyo bearings are a reliable OEM-quality choice. Installers will appreciate a matched set that reduces cross-axle ratio mismatch and simplifies differential work.

Features

• Matched front and rear Dana 44 gear set (thick style) for TJ Rubicon
• Koyo bearings included for durability and proper fitment
• 5.38 final drive ratio—matched front and rear
• Designed for 2003–2006 Jeep Wrangler TJ Rubicon applications
• Supplies the gears and bearings needed for a professional installation

If you have questions about fitment, installation, or whether 5.38 is the right ratio for your tire size and build, call us directly. We offer installation and customization services at our two locations in Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) or 562-981-6800 (CA). If you’re considering purchasing multiple items, contact us for possible shipping discounts. We install on premises at both locations.

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