NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability 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. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.. 2021-20 Audi A6 allroad, 2020-19 Audi A6 Quattro, 2021-19 Audi A7 Sportback, 2020-19 Audi A8 Quattro, 2021-20 Audi Q7, 2020-19 Audi Q8, 2021-18 Audi RS5, 2021-19 Audi RS5 Sportback, 2020-18 Audi S4, 2020-18 Audi S5, 2020-18 Audi S5 Sportback, 2020 Audi S6, 2021-20 Audi S7 Sportback, 2021-18 Audi SQ5, 2021 Audi SQ5 Sportback, 2021-19 Porsche Cayenne, 2020-19 Porsche Macan, 2020-17 Porsche Panamera. NGK Laser Iridium High Ignitability spark plugs offer the most advanced OE spark plug tip technology providing the optimal combination of performance and durability. Actual OE or equivalent replacement spark plugs.. RECOMMENDED USAGE: Best for vehicles with OE SPE iridium alloy plugs. NGK Laser Iridium Spark Plugs Box of 4 (SILKGR9A7ES). NGK Laser Iridium High Ignitability Spark Plug. Laser Iridium H. I. Spark Plug. High Ignitability Spark Plug. H. I. Spark Plug. Spark Plug

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