I was in your same position a year or so ago. I had some New PST BJ's and my UCA's threading was toast. Here's what I did so you know what NOT to do:
I bought the new OE Style Re-pops off of Ebay, took those BJ's out, and put my new ones in. Even though they torqued down, the cheap metal gave way on the highway and my ball joint popped out.
