GT-R Spark Plugs - $100/6
Pretty much every oem performance car used iridium, especially turboed ones. Pretty much every tuner will recommend iridium for a FI Z. Copper is better if you like changing plugs every 10k in a boosted application. Buy the gtr plugs and go on about your day.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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