Revolution Gear & Axle 4.56 ratio gear package for 1999–2007 1-ton GM 14-bolt to Dana 60 swap applications, featuring Koyo bearings. This Koyo-bearing ring-and-pinion set uses reverse-cut, thick gears to provide the specified 4.56 final drive for Dana 60 conversions, offering appropriate bearing support and gearing for heavy-duty swap installations.
Revolution Gear & Axle 99-07 1-Ton Swap GM 14-Bolt Dana 60 Koyo Bearing 4.56 Ratio Gear Package