ACCEL 8161C1 HP Copper Spark Plug

Spark PlugHP Copper Spark PlugHP Copper Spark Plug; 1 Piece; 1 Heat Range Step Colder Than Stock; 9/16in. Hex Size; Resistor; 1.04in. Reach; Tapered Seat Type; 1.25mm Thread Pitch; 12mm Thread Size; 8 Pack;SPECIFICATIONS:WARNING CA Proposition 65: No FEATURES: Copper Core Is A Better Conductor Than Iridium Or Platinum Copper Dissipates Heat Much Better Than Other Materials C-Cut Design Un-Shrouds The Spark Kernel For A Better Burn Unlike Iridium Or Platinum Plugs; The Accel Hp Plugs Are Gapable Machined Rolled Threads For Precise Thread Engagement One Step Colder Than Stock On The Street Or Strip Accel Hp Copper Core Spark Plugs Deliver! 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 Fla