Shit that is expensive, for your gaskets go tohttp://www.acl.com.au/web/aclwebsite.nsf/pg_cust _pcat?OpenPage and download their .pdf format catalogues they have all part and gasket numbers for just about every engine brought into australia
i bought a new rear main seal for my 18R-geu and it cost me $20 from supercheap, but it was from a nissan Z20 motor.