ACCEL 8161 HP Copper Spark Plug Fits F-150 F-250 Super Duty F-350 Super Duty

Spark PlugHP Copper Spark PlugHP Copper Spark Plug; C-Cut Design; Copper Electrode; Standard Length; 12mm Thread Size; 8 Pack;SPECIFICATIONS:WARNING CA Proposition 65: No FEATURES: For Use w/Brown Coil Boot/OE Coil 3L3E/Accel 140033E/140033E-8 Copper Core Is A Better Conductor Than Iridium Or Platinum Plugs Copper Dissipates Heat Much Better Than Other Materials C-Cut Design/Un-Shrouding The Spark Kernel Gapable Unlike Iridium Or Platinum See PN[354] For Single Spark Plug Machine Rolled Threads-Precise Thread Engagement Made with a Copper Core Which is a Better Conductor than Platinum and Iridium. Delivers a Stronger Spark Especially in High Performance Application Where High Combustion Pressures Are Present. Copper is Much Better at Dissipating Heat Than Other Materials Which Lessons the Chance of a Misfire. Gapable Allowing You to Open the Gap Exposing a Larger Flame Kernel or Close it if Needed For High Boost Applications. All ACCEL HP Spark Plugs Have Machine Rolled Threads Allowi