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XR Series Coils provide 15% more spark energy over OEM coils, resulting in increased performance and power for Ford 3.5L EcoBoost street or racing engines where reliable, powerful ignition output is needed.
These coils are direct replacements for factory Ford 2011-18 EcoBoost 3.5L coils with a 3-pin brown connector, and fit/connect like OEM coils for an easy install. The FAST® XR Series Coils are constructed from premium, ultra-pure copper alloy windings, resulting in firing performance approaching 40,000 peak volts and are ideal for any street or racing application
Legal in all 50 states, these coils do not affect emissions and can be installed without any additional modifications.