- Designed For Nitrous/Boosted Engines
- Extremely High Melting Point
- Consistently Stable Spark
- Heat Range 7
- Copper Core
- Iridium Tip
Mustang NGK Iridium IX Spark Plug Kit
Improve ignition performance in your 2011-2021 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!
Spark Plug Specs
- Spark Plug Thread Size: 14mm
- Spark Plug Reach (in.): 0.984 in.
- Spark Plug Reach (mm): 25.00mm
- Manufacturer Heat Range: 7
- Resistor: Yes
- Electrode Tip Material: Iridium
- Electrode Core Material: Copper
- Center Electrode Type: Projected
- Spark Plug Seat Style: Tapered
- Wrench Diameter: 5/8 in.
- Fits 2011-2021 Mustang 5.0 w/ Nitrous or Turbo/Supercharger
NGK Warranty - Click Here