This is a Holset T3 turbo. The intake AR is .60 and the Exhaust is .63. This turbo has very minimal shaft play. Uses standard T3 flange. I have vouches on HMT.com under the name jecu and on Probetalk.com under the name jecu. Here is a link to the ebay auction. Looking to get 150 shipped OBO.

http://cgi.ebay.com/ebaymotors...&rd=1