Revolution Gear & Axle 5.13 ratio gear package for 1989–1998 1-ton GM 14-bolt to Dana 60 swap applications, fitted with Koyo bearings. The reverse-cut, thick gear set provides the 5.13 final drive targeted for Dana 60 conversions and includes Koyo bearing components to support reliable installation and accurate axle gearing after a swap.
Revolution Gear & Axle 89-98 1-Ton Swap GM 14-Bolt Dana 60 Koyo Bearing 5.13 Ratio Gear Package