Re: Best Spark Plug for 2010 3.7
I would ONLY buy exactly what came installed from the factory. Call your local dealer's parts counter and just ask whats the stock plug for your jeep. The last 8 digits of your VIN will help them along with referencing the plugs.
coming soon... 2015 Altitude - Billet Silver
Park Sense, Backup Camera & 9 Speaker Audio
Ready to install: 1.25" Boras, Gorilla Black Lugs, Overland Black Mesh,
4" Chrome Tips, Polk Center Speaker and Sylvania Ultra H11 - Lows & Fogs
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