HP Copper Spark Plug; 1 Piece C-Cut Design; Each;
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 Allowing For a More Precise Thread Engagement and Torque Retention. Lastly These ACCEL HP Spark Plugs Are a ONE PIECE DESIGN Meaning You Won't Break It Off in the Head!
- 1 Piece Design-Wont Break Off In Head During Removal Like 2 Pc.
- The 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 Better Burn
- Unlike Iridium Or Platinum Plugs - The HP Plugs Are Gapable
- Machined Rolled Threads For Precise Thread Engagement
Application Summary:
| Year |
Make/Model |
| 2004-2008 |
Ford F-150 |
| 2005-2008 |
Ford F-250 Super Duty |
| 2005-2008 |
Ford F-350 Super Duty |