Community Q&A Question: Gap for these.

Asking About: Mustang MSD Iridium Spark Plugs (05-07) 4.6


Gap for these.

What is the recommended gap on a 4.6 with big throttle body, cold air, charge motion deleat,headers, high flow cats , x-pipe, frp mufflers.. I use a small amount of high temp anti seize on threads as well. Is that acceptable
from webster |

Accepted Answer
No need for antisieze as the plugs feature an anti-friction coating already.
from Hewitt |

Factory gap, which is .045"
from Hewitt |

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  • Mustang MSD Iridium Spark Plugs (05-07) 4.6
    MSD Iridium Spark Plugs (05-07) 4.6
    4.5 stars (4) $59.96
    This item is no longer available.