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NGK / IRIDIUM IX / HIGH PERFORMANCE SPARK PLUGS / LTR7IX-11 (NGK6510) *** FORD FIESTA ST (2014-2019) 1.6L TURBO *** ONE STEP COLDER (4X PIECE SET)

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. These NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough...

NGK / IRIDIUM IX / HIGH PERFORMANCE SPARK PLUGS / LTR7IX-11 (NGK6510) *** FORD FOCUS RS (2016-2018) 2.3L TURBO *** ONE STEP COLDER (4X PIECE SET)

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. These NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough...

NGK / IRIDIUM IX / HIGH PERFORMANCE SPARK PLUGS / LTR7IX-11 (NGK6510) *** FORD FOCUS ST (2013-2018) 2.0L TURBO *** ONE STEP COLDER (4X PIECE SET)

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. These NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough...

NGK / IRIDIUM IX / HIGH PERFORMANCE SPARK PLUGS / LTR7IX-11 (NGK6510) *** FORD MUSTANG ECOBOOST (2015-2023) 2.3L TURBO *** ONE STEP COLDER (4X PIECE SET)

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. These NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough...