HP Copper Spark Plug; 1 Piece C-Cut Design; 9/16 in. Hex Size; 1.04 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 12mm Pitch Size; 1 Range Colder Than Stock; Each;
- Copper Core Is A Better Conductor Than Iridium Or Platinum Plugs
- 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
- Machine Rolled Threads For Precise Thread Engagement
- One Step Colder Than Stock
- On The Street Or Strip Accel Hp Copper Core Spark Plugs Deliver!