The bolt pattern for the axle shafts is 3.56" for one set of hubs and 3.96" for the other set of hubs.
Somebody tampered with my last post.
I should have a pair of 4340 full floater axle shafts in a week if somebody wants this rear end.
I have a dana 60 rear full floater rear end with a Detroit Truetrack, 3.54:1 ring and pinion gears, weld on caliper brackets, Cadillac El Dorado calipers and re-build kit, choice of hubs for the wider bolt circle Dana axle shafts or the narrower bolt circle Sterling/ 14-bolt corperate axle...