Heavy duty yttrium enhanced nickel copper center electrode ensures superior reliability and durability for up to 50% longer performance life vs standard copper plugs
Angled, ribbed insulator design prevents misfire due to flash over
Metal glass fused resistor maximizes interference suppression
Copper core provides broader heat range to resist pre ignition and fouling
Nickel plated rolled threads provide superior resistance to corrosion and do not require anti seize, saving time
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