8 pc Autolite Platinum Spark Plugs compatible with Ford F-150 4.6L V8 1993-2010

PLATINUM FIRING TIP FOR PROVEN DURABILITY: Step up to platinum. A center wire platinum firing tip provides improved performance and durability*. Autolite Platinum Spark Plugs provide a center wire platinum firing tip forimproved performance. Super conductive Yttrium enhanced ground electrode provides superior heat transfer, and a full platinum tip assures virtually no gap erosion for longer plug life ENSURE RELIABILITY: The necked-down center electrode in the Autolite Platinum Spark Plug fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel efficiency when compared to Standard plugs. The high nickel alloy side electrode maintains a precise gap. Each plug contains a leak-proof, heat fused resistor for durability. They include a 4 year limited manufacturer warranty RELY ON RELIABLE, HIGH-QUALITY SPARK PLUGS: Autolite produces exceptional, quality spark plugs for foreign and domestic vehicles, no matter the make or model. From iridium performance to long-lasting platinum and double platinum to premium small engine plugs, Autolite Spark Plugs provide optimal durability, ignitability, and fuel efficiency TRUST IN AUTOLITE: Autolite started in 1911 as a buggy lamp manufacturer, but by the 30s, had found its niche in the manufacturing of spark plugs. Their expertise can be seen in the sheer number of plugs made, which in 2007 was over 10 billion spark plugs. Ever innovative and committed to their customers, Autolite continues to find new designs to exceed expectations and deliver on the challenging requirements of modern engines and emissions standards