I think I saw this in the Stag part of the forums. I also come across skyline parts on ebay which someone could find pretty useful.
Looks like a genuine nismo r33/34 front strut brace. For a total of $70 thats a bargain!
http://www.ebay.com.au/itm/Nissan-Skyline-R33-Front-TOWER-BAR-c59-/380724327135?hash=item58a4f032df