Super Jet wetcoast o-rings

Hello all....I am new here, been lurking a bit and its time to post.
I recently picked up a 92 sn with a 95 701 installed.
Included in the deal was a westcoast head with removable domes. Same head referenced here: http://www.pwctoday.com/showthread.php?t=12337.
So does this just have o-rings in groove at small diameter,(close to plug), or are there supposed to be some around large diameter also?(behind dome?). Also where do I get the proper o-rings? And what type head gasket do I need? Compression is 135/135 now so I hope this will raise it a bit.
Thanks for the help in advance.
 
Location
dfw
Use an OEM 61X gasket there is no o-ring around the domes. The domes should be marked YEP 70-- the last two numbers are the dome size in CCs. Do not use any smaller than a 28 for pump gas.
 
Thanks kevbo. These domes at marked WJ 9103 5051 00. What size would that denote? Also can I just pick up some viton o-rings at my hydraulic shop?
 
Location
dfw
Those are factory WetJet Kraze domes, they should be 31cc. You can use any O-ring on top or even rtv sealant.
 
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