Loading... Please wait...JDM Engineering exclusively uses the Autolite HTO plugs on all its 05-07 Supercharged Mustangand F-150 Picks-Ups.These Plugs are a step colder than the factroy plug
JDM offers them pre-gapped @ .30, because these plugs requires a special tool for gapping.
Not Gapped - $97.76
Pre-Grapped @ .030 $112.50
Please specify when ordering.