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enigine

  1. Q50 General Discussion Forum
    hello guys , so im doing a spark plug change on my 2015 Infiniti Q50 with about 64k miles im currently tuned. So I was wondering if I can run the NGK Ruthenium HX Spark Plug (91784) on it. I found them for under $12 from auto zone and other websites , I was wondering if the vq37 can take...
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