I purchased new plugs for my 2005 boxster from you. They have 4 prongs electrodes?. Do I gap these or are they pre set. If I gap them what is it?...thanks

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In the old days, it wasn't uncommon to find plugs that were new with the wrong gap. However, in the past decade, I have yet to find a plug that is not correctly set from the factory. So, I've gotten a bit lazy, and I don't typically check, unless it's for a race motor or something like that. As for the plug gap, I don't have this information handy, I think it might be in the Bentley manual, although I can't remember seeing it there. In general, the four-pronged plugs can't really easily have their gap reset either.

- Wayne

I used the Bosch Platinum +2's and the box says, never requires gaping. I just put them in as is and everything went fine.
Randy