Tie in kit for fiberglass body - 74 CJ5 Jeep ?
 

I have a roll bar from a 82 CJ7 which I want to put in my 74 CJ5 which
has a fiberglass body. I heard it's a good idea to use a tie in kit.
Is it difficult to put in & where is a good place to order one of
these kits? Thanks ahead for any info.