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Check them first and if you do gap them do it very carefully since the iridium center electrode can get damaged. Most of the time the spark plug gap is within range so it is not required.
 

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Check them first and if you do gap them do it very carefully since the iridium center electrode can get damaged. Most of the time the spark plug gap is within range so it is not required.
Thank You,,,,,,Makes sense....
 

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Yep, unless they got bounced on their tip in the box they're pre-gapped.
 
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