Greetings,
I pulled my old ZKit build out the other day and it's working fine. I did have an issue before with one of the speaker connections, and now I'm running into the issue that most binding posts available are too wide for these holes.  Parts Express shows the Part # 090-475 as backordered, so here's hoping it comes back into stock.  But I don't see this part on the Cliff site, the posts they show have 2BA or 10x32 threads, where this is apparently 6x32.  If anybody knows of alternate options, please let me know.