The Boxster engine uses spark plug tubes which allow the plugs to go deep into the heads, I think the idea is to improve complete combustion. They have o rings on both ends, this sounds like you need new spark plug tubes or more likely just new o rings. They may be a bit of a peckerhead to remove but they shouldn't cost too much, don't hate the purchase just yet, hopefully you just have a few bugs to square away.
Last edited by eightsandaces; 07-28-2009 at 04:16 AM.
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