Home/2011 Mustang Ignition NGK Iridium Spark Plugs, LTR6IX, 3.5 Ecoboost $11.90 NGK Iridium Spark Plugs, LTR7IX-11, 5.0 / 6.2 / Ecoboost coldest for boost $14.10 MSD Two Step Launch Master, 2011-2016 Mustang GT $272.84 Ford Performance Irridium spark plugs (8), cold for boost, 2011-2017 Mustang GT $88.45 Ford Performance spark plugs Platinum (8), cold for boost, 2011-2017 Mustang GT $63.18
