NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.. NGK Laser Iridium plugs were designed specifically for the performance enthusiast. 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.. JAGUAR S-TYPE 2007-03, SUPER V8 2005, VANDEN PLAS 2005-04, XJ8 2007-04, XJR 2006-04, XK8 2006-03, XKR 2006-04; LAND ROVER LR3 2009-05, RANGE ROVER 2009-06, RANGE ROVER SPORT 2009-06. NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Actual OE or equivalent replacement spark plug.. Pure alumina silicate ceramic insulator provides superior strength and better heat transfer. Trivalent metal plating for superior anti-corrosion and anti-seizing properties. RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs. NGK Laser Iridium Spark Plug Box of 4 (IFR5N10). Copper core aids in heat removal. NGK Laser Iridium Spark Plug. Triple seals prevent leakage. Laser Iridium Spark Plug. Spark Plug

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