Spark Plugs

Ford Racing 21-25 F-150 5.0L Coyote (w/Variable Displacement) Cold Spark Plug Set0.32 in. Gap Recommended For Supercharger ApplicationsColder Heat Range HR8 For Supercharged ApplicationsDoes Not Fit Mustang Coyote EngineSold In Set Of 812mm Threads

Two Heat Ranges Colder Than The Stock 5.4L-3V Truck Engine PlugTwo Heat Ranges Colder Than The Stock 5.4L-3V Truck Engine PlugUse M-12405-3V12MM Spark Plugs For 2008 And Newer 3V HeadsUnique Design Is Proprietary To Ford 3-Valve EnginesOne Heat Range...