for sale is a brand new, never used or installed Auburn brand performance posi unit for the 1989-98 GM 30 spline 8.5 rear ends using 2.73 and up gear ratios, it comes as pictured with the original instructions and friction modifier for $300 as pictured and I will ship in the US only at buyer's expense, NO credit cards or Pay Pal, thanks Dave (33O)-687-93OO. https://akroncanton.craigslist.org/search/pta?query=44318