The EcoBoost engine operates under extreme conditions including high cylinder pressures. The spark plugs are subject to rapid wear rates, even at standard performance levels. Engines running higher boost points or increased levels of tuning can experience reduced spark plug life resulting in lower engine performance, misfires, and rough idle. Increased wear is typically seen in the form of increased spark plug gap and degradation of the electrode. Using spark plugs that are optimized for increased power insures maximum performance.
- Smoother acceleration
- Perfect for high-boost street use
- 2013-2018 Focus ST
- 2016-2018 Focus RS
- 2019-2021 Ranger
- 2014-2019 Fiesta ST
- 2020-2024 Explorer ST
- 2017-2020 F150 Raptor
- 2021-2024 F150 Raptor
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