These high-performance spark plugs from NGK offer a plethora of benefits for 2011-2022 Mustangs with a 5.0L Engine and 2015-2020 Shelby GT350 and GT350R Mustangs with a 5.2L Engine. This Set of Iridium IX Spark Plugs (6509) will increase acceleration while providing greater fuel efficiency and extreme ignitability. The spark plugs remain in the stock heat range, making them the ideal choice for your naturally aspirated engine.
Features and Benefits:
- Sold as a Set of Eight (8)
- OE Heat Range
- Designed for Naturally Aspirated Engines
- Iridium Alloy Construction
- Trivalent Metal Plating
- Provides Consistently Stable Spark
- Extremely High Melting Point
- Increased Acceleration and Fuel Efficiency
The set includes eight spark plugs to take your engine to the next level. Offering impressive durability, the spark plugs feature trivalent metal plating that produces anti-corrosion and anti-seizing properties. Meanwhile, a fine iridium tip ensures further dependability.
Please Note: These spark plugs are designed for Naturally Aspirated use ONLY. Forced Induction and/or Nitrous Applications, please consider the NGK Iridium IX Spark Plug Set that is One Heat Range Colder for your 2011+ 5.0L Mustang, 2015-2020 Shelby GT350 or 2020+ GT500 (SP6510GT).
- 2011-2022 Mustang with 5.0L Engine
- 2015-2020 Shelby GT350 Mustang with 5.2L Engine
- 2015-2020 Shelby GT350R Mustang with 5.2L Engine
*NOT for use with GT500 models.