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Revolution Gear & Axle 4.88 ratio gear package for pre-1989 1-ton GM 14-bolt to Dana 60 swap applications, with Koyo bearings. The reverse-cut, thick gear set provides the 4.88 final drive for older Dana 60 conversions, offering the specified ring-and-pinion geometry and bearing choice to support correct installation and stable axle performance after a swap.
Revolution Gear & Axle Pre-89 1-Ton Swap GM 14-Bolt Dana 60 Koyo Bearing 4.88 Ratio Gear Package
