NGK Standard Spark Plug - L8A 7442

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NGK standard spark plugs with copper cored centre electrodes for wide heat range. Copper's superior heat conductivity dissipates the heat of combustion away from the firing end, pr eventing hot spots that can lead to pre-ignition. Copper cored electrodes also mean that longer insulator noses can be used to protect against fouling. Copper cored centre electrode Longer insulator noses to protect against fouling Show more