Full platinum tip ensures virtually no gap erosion for long plug life;Yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life;Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy;Platinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firing;Nickel-plated steel shell for long-life corrosion resistance

• Autolite AP85 Platinum Spark Plug

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