I searched and can not seem to find an answer. Putting a Ford 60 in the front of my yj and just got the perches and u bolts in today. The drivers inner u bolt is hitting the casting on the center section. Thought I read somewhere that guys have drilled the casting to get the u bolt through. This the the casting on the bottom of the center section preventing the u bolt from coming all the way up. Just want to do it the safest and strongest way possible.