« Reply #2 on: December 05, 2017, 09:34:55 AM »
Those six "O-rings" are actually GASKETS... they are (slightly) cylindrical in shape and have a steel core.
I'm not sure why you would want to find after-market parts to match... why not just use the OEMs? They're about $4 each... not exactly KILLER for a head tear-down budget I'd say.
It's interesting that when installing a big-bore piston kit (JE/Wiseco), you're not SUPPOSED to use those gasket things. I actually did use them the first time I installed a bore kit on my B12... found out later (after some leaking) that the Cometic steel head gasket doesn't use those.
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Black '98 B12S, JE 1216cc bore kit, port work, Yosh RS3, Ivan jetting, drag bars, modified Corbin Gunfighter, Hyperpro shock, Racetech Gold valve kit, stainless lines, Wave rotors, polished wheels, fender eliminator, bar-end mirrors, NEP throttle lock, Adaptiv TPX radar detector...140K miles