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Denso IK22 Spark Plugs

941 Views 11 Replies 3 Participants Last post by  cr-three
I've noticed that my car sometimes runs a little unevenly at low RPMs in 1st - based on some things I've read/heard this may mean I'm due for a spark plug replacement. My thought is 'why not upgrade?'

Looking around on here, I've seen the Denso IK22 mentioned as a good replacement/upgrade for spirited driving and autocross.
I see Denso IK22 and Denso IK22G online. Which is the correct part for a 2013 6MT? Denso IK22 #5310?
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Also watch out for knock-off DENSO and NGK plugs. Not worth it and may even cause engine damage.
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