could try:

http://www.jappartswa.com.au/

http://www.xspeed.com.au/

parts west is unit 3, 24 triumph ave wangara. sorted me with a starter, nice bloke, said he just sorted a shipment of engines about 3 weeks ago, maybe worth a call. 0418 924 762.

also: http://cgi.ebay.com.au/Subaru-Imprez...item335a47b7a6

and these guys always have stuff, and will freight aus wide: http://search.ebay.com.au/_W0QQsassZjapanautosQQhtZ-1

__________________
trapped in time
surrounded by evil
low on gas