HEMI Joel + Moparite nailed it , same thing used on my bro-in-laws Dana 60 front axle dump truck with MANUAL hubs . wrench . will check my maintenance book but almost sure they are 1350's Originals not greased 5 years , new ones 1 year greased 4 times a year . I don't think they are chrome hard end or spec-ed like OEM . I'M redoing outer front 4X4 fronts for the last time .WAY TOO much work , and will be using/replacing with NON greaseable SPICER's life series . drive ronnie