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I've read several of the older posts about who uses what for their spark plugs. I'm going to have some free time over the holiday (and may need to get away from all the family in town periodically) and was going to change the plugs in my '15 Hemi. Only at 42,000 miles but I figure why not. What have you all found to be the best replacement for the OE spark plug? Bosch Irridium? NGK Laser Irridium? Both available from my local Advance Auto Parts (professional courtesy they give me a 30% discount). Thanks. Happy Thanksgiving
 

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Trailhawk
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943 Posts
I'm a little biased and love the Champion 9055 Iridiums. 100,000 mile plugs and their metal threads and shells are treated with a product to keep them from corroding or rusting. Rock Auto has them for $4.61.
 
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