Item description 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 All
Item specifics
Assembly Method: Tapered Electrode Material: Copper Hex Size: 0.5625 in. Package Quantity: 8 Projected Tip: Yes Reach: 1.040 in. Resistor: Yes Thread Size: 12mm WARNING CA Proposition 65: No
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