Working on this Jeep YJ rearend swap into my 68 it looks like

abodyjoe said
spring perches are 43" center to center on an abody. there is a pinion angle to worry about when welding the perches on too. forget that number off the top of my head. have it written down at home.

if you want to PM me that sometime that would be cool too? Going to get the rearend either this week or next, start on it weekend after that.