Thread: SRT6 Iridium Spark Plug Sizes
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Old Aug 10, 2012 | 07:10 PM
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jiggityjosh
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Default Re: SRT6 Iridium Spark Plug Sizes
Originally Posted by Mimi05SRT6
Love my Denso Iridium IK22's gapped at .035.
Holy ****, that's 3 heat ranges colder than stock... You running 525-600 Horsepower?!?!?!

Or are you compensating for lean issues?

The reccomended Denso's are IK16!!! (each heat range is going up two numbers in the Denso line.)
 
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