If we're talking about rollinrock's post #5 pics, I think it's an ST Swaybar. I have the same thing on my '85 and it looks and fits identically. Except mine is black and his is grey. Here's my ST bar on my 8.8 swap:



Same adjustable rod ends, same 3-position bar ends. But I reused my stock end link brackets instead of the ST pieces. In one of his pics you can see he has these ST brackets mounted....