XR Ignition Coils for Ford 4V Mod FST30391-8

Ford 1997-2014 Modular 4V 4.6L/5.4L/5.8L XR Coilsare direct replacements in factory Ford Modular and Coyote engines and fit/connect like OEM coils for an easy install. They are constructed from premium, ultra-pure copper alloy windings, resulting in firing performance approaching 40,000 peak volts. They do not affect emissions and are legal in all 50 states.