I think Nuzzy has pics of when they outboarded the spring on his cj in his build thread. Would think inboarding would be the same or almost similar except on the inside of the frame instead.
mine sit down just a little so i can get a bolt or nut on the end and tighten them up
but you will also have to make a change to your bump stops as the mounts will be moved inwardss away from the stock frame mounts
If you inboard and lift it up so its the same width as the stock front width theres no issue with the bolts. Theres plenty of room to get a nut on the bolt.