E3 Spark Plugs: 300 / Challenger / Charger / Magnum 3.5L V6 2005 - 2010

Short Description 05-10 3.5L V6 300, Challenger, Charger & Magnum E3 Spark Plugs E3.58. E3's patented DiamondFIRE technology has been proven to be the most powerful way to ignite the air/fuel mixture for the most efficient combustion, and longest performance life. Description E3 SPARK PLUG 05-10 300 / Challenger / Charger / Magnum 3.5L V6 (6 plugs total are needed) E3.58 Introducing the E3 Spark plug. An entirely new type of plug that is proven to give dramatic results: increased horsepower, extended engine life, and improved fuel economy. Burn Faster E3's patented DiamondFIRE technology has been proven to be the most powerful way to ignite the air/fuel mixture for the most efficient combustion, and longest performance life. Until now, Spark Plug technology hasn't changed much from the original 1903 Patent for the flat "J-Wire" electrode that you see on most plugs. More Power Increases engine power up to 12%. Thanks in part to the DiamondFIRE design, E3 Spark Plugs provide