i probably could.
or just check west covina and see if they have them.
The Nismo Shop :: West Covina Nissan

also, if you go nissan, the z32 tt. oil feed should be the same size.
CourtesyParts :: [15188A] GASKET-EYE BOLT - 300ZX (Z32) 1990-1996

the coolant washers are the one piece joined ones, oil has seperate washers.