NEW PST pivot shaft bolt sheared off. Can't get LCA out.

Ok, LCA came off with pry bar and shaft was still in LCA. Put a pipe wrench on it and took some effort to get it turning where i could eventually tap the pipe wrench and get it out. My old pilot shaft went in by hand no resistance and you can move it laterally in other words its not snug in the bushing. I noticed the taper was longer on the PST shaft and a little larger. Ill be removing the other side also. Are the bushings in the K member replaceable or is it a major PITA? I'd like to have greaseable shafts but I'm leery now. Recommendations?
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