Description

ACCEL’s HP copper spark plug set fitting your 2011-2017 5.0L Coyote Mustang or F-150 is designed to provide a stronger spark, meaning improved fuel ignition and consistent performance. ACCEL chose to utilize a copper core over platinum or iridium in their spark plugs for maximum conductivity, improved heat transfer, and the ability to gap for your specific application. These spark plugs can be used with a stock gap, or adjusted for boost without risking damage to the electrode. These plugs are also 1 heat range colder than stock, helping to reduce misfires, pre-ignition, or spark knock during extreme, high-heat conditions often seen in higher horsepower forced induction engines.Also check out ACCEL’s Supercoil ignition coil sets to make your upgrade complete!Product Benefits:Includes 8 spark plugs1 step colder for better heat transferCopper core for maximum conductivityCan be gapped for boosted applicationsStrong spark delivery for high performance applicationsMachine rolled threads for precise thread engagement14mm x 1.25 thread pitchPre-gapped to .045inFits: 11-17 Mustang 5.0L11-17 F-150 5.0L