Quote:
Originally Posted by Daemione
They may be made by Denso - but that doesn't mean they're iridium tipped. The vast majority of OEM spark plugs are platinum these days.
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Heh, so apparently the stock plugs are Iridium tipped after all . . . Just swapped in the Denso's this morning, and the ones I took out are NGK IZFR6K-13's.
I'm assuming the original owner didn't replace the plugs in it's first 25k miles.