NGK Iridium IX Series Spark Plug fits:
Ferrari 456 GT, M
550 Maranello
12per car
Designed for high performance
Fine Wire Center Electrode Ensures High Durability and a Consistently Stable SparkIridium Alloy has an Extremely High Melting Point, Perfect for Today’s High-Tech, High Performance EnginesTrivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing PropertiesCorrugated Ribs Prevent FlashoverPure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer Copper Core Aids in Heat RemovalTriple Seals Prevent Leakage
