HP 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;
- One Step Colder Than Stock
- On The Street Or Strip Accel Hp Copper Core Spark Plugs Deliver!
- 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