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This Revolution Gear package equips Wrangler TJ axles with matched 4.88 gearing for both the Dana 30 front and Dana 44 rear, plus two master install kits using Koyo bearings as identified by the -K suffix. The ring and pinion sets are manufactured from high quality steel and precision heat treated to OEM specifications.

The package is built to deliver consistent performance when re-gearing both axles together. Master install kits provide the comprehensive components needed to overhaul each differential alongside the new gear sets.

  • Axles covered: Dana 30 front (short pinion), Dana 44 rear
  • Gear ratio: 4.88
  • Pinion splines: D30 front 26, D44 rear 26
  • Bearings included: Koyo in both master kits
  • Country of origin: Korea
  • Warranty: 2 Year Limited
  • MPN: REV-TJ-D44-488-K
  • UPC: 810038587769
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