Mustang NGK Iridium IX Spark Plug Kit
Improve ignition performance in your 2011-2017 Mustang 5.0 with this NGK Iridium IX spark plug kit! Designed specifically for performance applications, this plug is perfect for nitrous or boosted Coyote engines! NGK's plugs have a heat range that's one range colder than the factory plug. The fine wire center electrode ensures high durability and a consistently stable spark. NGK chose Iridium Alloy for this plug due to it's extremely high melting point. This gives it the ability to hold up to your high performance Coyote engine. This kit includes 8 spark plugs to improve ignition performance in your nitrous injected or boosted Coyote engine!