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Revolution Gear & Axle 4.88 ratio gear package for 1989–1998 1-ton GM 14-bolt to Dana 60 swap applications, featuring Koyo bearings. This reverse-cut, thick ring-and-pinion set supplies the 4.88 final drive needed for Dana 60 conversions, pairing robust gear geometry with Koyo-bearing support to help ensure correct assembly in swap or rebuild projects.
Revolution Gear & Axle 89-98 1-Ton Swap GM 14-Bolt Dana 60 Koyo Bearing 4.88 Ratio Gear Package
