8 New NGK Iridium IX Spark Plugs TR5IX # 7397
- Fine Wire center electrode ensures high durability and a consistently stable spark
- Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Pure alumina silicate ceramic Insulator, provides superior strength and better heat transfer
- Copper Core aids in heat removal
- Fine Wire center electrode ensures high durability and a consistently stable spark
- Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Pure alumina silicate ceramic Insulator, provides superior strength and better heat transfer
- Copper Core aids in heat removal
