Ford Performance Part #:
- M-12405-35T - Set of 6 Spark Plugs
This spark plug is believed to be the SP-542 re-branded as a 1 step colder performance plug through Ford Racing Performance.
Ford Performance Parts has a range of spark plugs to meet your performance needs. Designed for use in engines operated at sustained high rpm or with higher-than-stock cylinder combustion pressures, these plugs are made from quality materials and are designed to provide the spark that you need to fire up your Ford.
- 2011-2020 F-150 3.5L EcoBoost
- 2017-2020 F-150 Raptor 3.5L EcoBoost
- 2010-2020 Taurus SHO 3.5L EcoBoost
- 2010-2020 Flex 3.5L EcoBoost
- 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 0.031-inch (0.8mm)