Ford Racing 1 step colder Spark Plug Set 2020+ Explorer ST
Ford Performance Ecoboost Colder spark plugs are designed to prevent detonation and misfires in high performance Ford Ecoboost engines. These plugs are the same SP-583 spark plugs used in the 2017 Ford GT 650 HP supercar.
FITS all 2020-2023 Explorer ST
- For use in engines with higher than stock cylinder combustion pressures
- One heat range colder than stock spark plug
- Sold in sets of 6
- Spark plugs gapped to 0.030"-inch (0.8mm)