GM 73-91 C/K SQUARE BODY 14 BOLT 10.5 DUALLY OR DUALLY DANA 70HD 8 X 6.5 BOLT PATTERN 9/16"-18 STUDS SOLD EACH COMES WITH STUDS,AXLE BOLTS,SPINDLE NUT, AND USED BEARINGS THAT ARE UP TO YOU TO USE OR REPLACE.