GM 10.5 14 Bolt Full Float- MASTER INSTALL KIT. For 88 & older 14 bolt's. Axle housing has 4 ribs on top of the housing.
All of our bearing kits come with either Koyo or Timken bearings, which would be made in Japan or USA. Although Timken does have very few made in other places. Both companies are tier 1 OEM suppliers.