Ford Performance M-12405-20T - Spark Plug Set Cold 2.0T (4 Plugs)

WARNING: This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this part on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions. Fits: 2013-2018 Focus ST 2.0L 4 cylinder EcoBoost engine 2016-2018 Focus RS 2.3 4 cylinder EcoBoost engine 2015-2019 Mustang 4 cylinder EcoBoost engine - For use in engines with higher than stock cylinder combustion pressures - Two heat ranges colder than the stock 2.0L/2.3L EcoBoost engine spark plug - Same spark plugs that are included with Ford Performance M-9603A-FSTA Calibration kit - Sold in engine sets of 4 - Spark plugs gapped to 0.028-inch (0.71mm)