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the axle shaft bearing in the late model unit bearings is big. ~1.773" ID, so you could run a 40 spline shaft easy.If you replaced the bearing with a bushing, you could run 2" shafts through the UB.It would be kinda pointless to run 47 spline stubs, because you still have a HP60 center section, and the best you can do with that is a 40 spline spool and JANA 76 kit with HP70 35 spline pinion Currie gears.But you could always cut these outers off and put em on an Dana 80 center.just looking at options of running BIG shafts with a BIG center sections using stock knuckles/C's/brakes/etc
the axle shaft bearing in the late model unit bearings is big. ~1.773" ID, so you could run a 40 spline shaft easy.
If you replaced the bearing with a bushing, you could run 2" shafts through the UB.
It would be kinda pointless to run 47 spline stubs, because you still have a HP60 center section, and the best you can do with that is a 40 spline spool and JANA 76 kit with HP70 35 spline pinion Currie gears.
But you could always cut these outers off and put em on an Dana 80 center.
just looking at options of running BIG shafts with a BIG center sections using stock knuckles/C's/brakes/etc