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• Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
• Fused iridium and platinum center electrode, sintered into an extended insulator nose results in reaching self-cleaning temperature only seconds after starting and provides exceptional wear resistance
• 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

• Reduces ignition system voltage requirements
• Features trivalent metal plating which provide long lasting durability and protection against anti-seizing
• You can depend on NGK for quality and reliability

• Fused iridium and platinum center electrode, sintered into an extended insulator nose results in reaching self-cleaning temperature only seconds after starting and provides exceptional wear resistance
• 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

• Constructed from durable material
• Fine Iridium tip ensures high durability
• Iridium alloy has extremely high melting point, perfect for today?s high-tech, high-performance engines

• Triple-Gasket Sealing Process
• Insulators constructed from 99 percent pure alumina silicate
• Highly durable against electrical and chemical wear