Full platinum tip ensures virtually no gap erosion for long plug lifeYttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug lifeNecked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economyPlatinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firingNickel-plated steel shell for long-life corrosion resistanceAutolite Platinum Spark Plugs feature a center wire platinum firing tip for reduced gap erosion, fewer misfires, better performance, and more durability. These spark plugs also feature a high nickel alloy side electrode to maintain a precise gap, and a full platinum tip to ensure virtually no gap erosion. The necked-down center electrode fires quicker, cleaner, and with less voltage for easier starts, quicker acceleration, and improved fuel economy. Guaranteed for 4 years.
