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• Fusion's voltage requirement increases less over time versus other iridium plugs for longer reliable performance of the vehicle's ignition system
• Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
• Factory pre-set gap allows for easy installation that never requires adjustment

• Factory pre-set gap allows for easy installation that never requires adjustment
• Fusion's voltage requirement increases less over time versus other iridium plugs for longer reliable performance of the vehicle's ignition system
• Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement

• Extremely durable under high heat
• You can depend on NGK for quality and reliability
• Constructed from durable material

• Significant potential fuel efficiency improvement: > 4% to 13% (depending on engine class)
• DiamondFire electrode technology that creates a superior spark and resulting flame front extending further into the cylinder, producing more localized pressure
• Drastic potential emissions reduction when used in 2 and 4-stroke engines (after 50 hours): 58% CO emissions reduction, 42% hydrocarbon reduction

• Factory-set gap ¿ once the proper gap is set, there's no need to re-gap
• Exclusive platinum technology in the center electrode for quicker starts, smoother acceleration and increased fuel efficiency
• Tapered, yttrium enhanced v-profile ground electrode provides a 25% longer performance life