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Revolution Gear & Axle 5.13 ratio gear package for 1999–2007 1-ton GM 14-bolt to Dana 60 swap applications, equipped with Koyo bearings. This reverse-cut, thick ring-and-pinion set provides the 5.13 final drive specified for Dana 60 conversions, pairing heavy-duty gear geometry with Koyo bearing support for dependable reassembly during swaps.
Revolution Gear & Axle 99-07 1-Ton Swap GM 14-Bolt Dana 60 Koyo Bearing 5.13 Ratio Gear Package
