Accel HP Copper Spark Plugs; 2 Ranges Colder; 4-Pack (11-26 3.5L EcoBoost F-150)

Description

Performance Spark Plug. The Accel HP Copper Spark Plugs; 2 Ranges Colder; 4-Pack deliver a stronger, more reliable spark, especially in high-performance and high combustion pressure applications. They are designed to reduce misfires and improve combustion efficiency, making them an essential upgrade for tuning and performance enthusiasts.

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Construction and Appearance. These spark plugs feature a copper core known for superior electrical conductivity and heat dissipation compared to platinum or iridium. The plug includes a “C”-cut design to unshroud the spark kernel, enhancing combustion. Precision machine-rolled threads ensure accurate fitment and torque retention, with a tapered seat and standard length finish.

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Installation. Installation is straightforward with no need for drilling or modification. The machine-rolled threads and tapered seat simplify fitting, requiring only standard torque specifications to secure properly.

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Application. Specifically designed to fit 2011 through 2026 Ford F-150 models equipped with the 3.5L EcoBoost engine. No exclusions noted for this fitment.

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Accel 578C2-4

CA Residents: WARNING: Cancer and Reproductive Harm

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• Copper Core Is A Better Conductor Than Iridium Or Platinum Plugs

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• Copper Dissipates Heat Much Better Than Other Materials

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• “C” – Cut Design Un-Shrouds The Spark Kernel For A Better Burn

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• Unlike Iridium Or Platinum Plugs, The Copper Core Plugs Are Gapable

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• Machine Rolled Threads For Precise Thread Engagement

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• Two Steps Colder Than Stock

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• Projected Tip Design

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• Resistor Equipped

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• Tapered Seat Type

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• 5/8 Inch Hex Size

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• Standard Length With 1 Inch Reach

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• Thread Pitch 1.25 MM And Thread Size 14 MM

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• Torque Specification Is 7.2-14.5 lb.ft.

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• Fits 2011-2026 3.5L EcoBoost F-150

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