NGK Laser Iridium Spark Plug Box of 4 (SILZKFR8H7S)

These NGK Laser Iridium spark plugs are built for specific OE applications, offering a solid combination of performance and longevity. They feature a fine wire center electrode made of an iridium alloy, which has a very high melting point and is six times harder than platinum. This design helps ensure a stable spark and durability, especially in today's high-tech engines. The pure alumina silicate ceramic insulator helps with heat transfer and provides superior strength, while the trivalent metal plating resists corrosion and seizing. For vehicles originally equipped with OE iridium alloy plugs, these are a direct replacement.

The ground electrode includes a platinum fine wire tip, which helps with even wear in distributorless ignition systems and contributes to improved spark performance. A pure copper core is also integrated to help manage heat, and triple seals are used to prevent any leaks. If your vehicle originally came with iridium spark plugs, these NGK Laser Iridium plugs are a great choice to maintain its performance and reliability.