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.
2015 Altitude - Billet Silver II
Tow PKG + Park Sense + Backup Camera + Navigation + 9 Speaker Audio
Mopar slush mats, Mopar 4" Chrome tips, 1.25" Boras, Gorilla Black Lugs,
15% Tint Front Doors & Visor, Polk Center Spkr, Sylvania Ultra Lows & Fogs
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