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The DENSO IU22 is an Iridium spark plug engineered to deliver superior performance and durability. Its advanced iridium alloy construction provides exceptional resistance to wear and corrosion, ensuring consistent spark energy. This spark plug is designed for optimal combustion, leading to improved fuel efficiency and reduced emissions. The fine-wire iridium center electrode promotes a strong spark, facilitating quick and complete fuel burn for enhanced engine responsiveness. With its robust design, the DENSO IU22 offers an extended service life compared to conventional spark plugs. It is built to withstand the demanding conditions of modern engines, providing reliable ignition power over time.