SBP axles to BBP

Hi all, looking for a pair of sbp steelies but WV/Coker is out of stock. What's all involved IF I decide to swap to BBP on the rear only.
Thanks
Steve
Hi Steve,

Here's an article that may help.

Cheers!
'
https://www.motortrend.com/how-to/mopp-9910-how-to-install-a-big-bolt-pattern/