Honestly I did a search....   I need the part number for the "0" ring on a 1990 Loyal, EA-82 SPFI head gasket replacement so I can order.   This is that little "O" ring I believe it is between the head and the Cam-tower for the oil path.   It has been 2 years since I did a head gasket on a Ea-82 SPFI, when I did pull the head apart there was "that" o-ring so I bought a full gasket set to finish the weekend job, ... this time I would like to buy just the 0-ring so I called local subaru an