E3 Spark Plugs E3.614 Ultra Output High-Performance Chrysler HEMI Coil-on-Plug

Specifically designed for 5.7L, 6.1L, and 6.4L applications Delivers more than double the energy output of a stock coil Coil is built with high-temperature epoxy that resists shock and vibration Tested to CARB standards and built for long-lasting durability Boots are molded from a high-temperature silicone compound rated for 550°F Ensures more power in both naturally aspirated and forced induction applications Increases energy output at higher RPM levels for superior engine performance