Autolite HT0 Spark Plugs 2005-2007 3V 4.6L / 5.4L (Set of 8) 2005-2007 4.6/5.4 3V HT0 Spark Plugs JDM Engineering exclusively uses the Autolite HTO plugs on all its 2005-2007 Supercharged Mustang and 3V F-150 Trucks. These Plugs are one heat range colder than the factory plugs. JDM offers them... MSRP: Was: Now: $149.95
