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• Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
• 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

• Features iridium with high melting point
• Low fuel consumption
• Excellent acceleration and performance

• Significant potential power increase: > 6% to 12% (depending on engine class)
• Significant potential fuel efficiency improvement: > 4% to 13% (depending on engine class)
• Near elimination of performance inhibiting carbon deposits, dramatically longer plug life and a 5-year/100,000 mile limited warranty

• Reduces ignition system voltage requirements
• Increases fuel economy and lowers emission
• You can depend on NGK for quality and reliability

• DiamondFire electrode technology that creates a superior spark and resulting flame front extending further into the cylinder, producing more localized pressure
• Significant potential power increase: > 6% to 12% (depending on engine class)
• Drastic potential emissions reduction when used in 2 and 4-stroke engines (after 50 hours): 58% CO emissions reduction, 42% hydrocarbon reduction