SPARK PLUG CONSTRUCTION [LF, L3]

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• An iridium spark plug with excellent durability and firing performance has been adopted.

• The extremely thin, center electrode has a diameter of 0.6 mm {0.023 in} and is made of iridium alloy. Also, durability has been improved by the use of a platinum-tipped grounding electrode.

• Based on the thinner electrode (center electrode), electric discharge has been reduced and ignition has been improved, resulting in stable ignition performance in all driving conditions and a substantial improvement in fuel economy.