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Discussion Starter · #1 ·
I haven't been out to the store yet, but what are the type and heat range for stock plugs? I need to get 1 step colder to work in my performance application and don't know what stock is.....
 

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Stock is supposed to be made for Mopar by NGK, pn: SPLZFR5C11. At least for the 2015/2016 from what I got from a Mopar seller.
 

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Discussion Starter · #3 ·
Thank you. That means according to the internet I should be looking for a NGK ILZFR6D11 to be one step colder.
 
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