Complete 8" center section Master overhaul bearing kit 
 
Timken USA bearings Kit Comes with : pinion bearings, carrier bearings, pinion seal, pinion nut, pinion shims, pinion o-ring, crush sleeve, ring gear bolts (1" long for open carrier, & 1-1/4" long for trac-lok posi), third member gasket, loc-tite, & gear marking compound
 
Comes with your choice of Carrier bearings:
 
Stock bearings for open carrier (LM501310-49)
 
OR
 
"HD" bearings for aftermarket posi unit (LM102910-49)