manual steering conversion help

well i got all my steering parts today, a centerlink for a big block 69 swinger a new pitman arm for a big block 69 swinger and a idler arm. went to slide the pitman arm on and it was sloppy as heck it is the same size sect as my ps 74 box. i thought all 69 manual boxes were small sect i bought it new from egge machine company for a 69 big block. im confused