I have an auburn gear posi for a gm 33 spline 9.5 14bolt part no. 542087 Never installed selling due to i bought a 455ss rearend that had a eaton detroit tru trac in it already ,its been in my shed for about 6 months and I really have no use for it,have pics of it don't know how to post them on here but I can text or email (225)921-3473 if interested asking 325$ + shipping but open to all reasonable offers the cheapest I've seen them for new is 525$ and I only accept pay pal for Internet transactions as a safety for me and the buyer thanks.