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The DENSO VK20Y Iridium Tough spark plug is designed to meet the rigorous demands of modern engines. Its advanced iridium alloy construction provides exceptional durability and a high melting point, ensuring consistent performance over a long service life. This spark plug features a finely crafted iridium center electrode and a platinum-tipped ground electrode, which work together to deliver a powerful spark. This results in improved fuel efficiency, smoother engine operation, and reduced emissions. The U-groove ground electrode further enhances ignitability and prevents fouling. DENSO's Iridium Tough series is built for extreme conditions, offering resistance to wear and corrosion. This makes them an ideal choice for drivers who require dependable ignition performance, whether for daily commuting or high-performance applications. Installation is straightforward, replacing your existing spark plugs to unlock enhanced engine capabilities.