OREGON® SPARK PLUGS
Terminal nut All Oregon spark plugs have locked terminal nuts to ensure efficient connection and resistance to vibration even in extreme conditions
Ribs On insulator surface extend surface trajectory for eliminating any surface discharges
Resistive seal • mechanical connection of insulator, terminal pin and centre electrode • electrical connection of terminal pin and centre electrode • gas tightness of the combustion area For spark plugs with radio interference elimination it provides suppression of electromagnetic radiation There are two contact layers and one resistance layer
Sealing washer Ensures gas tightness of the combustion chamber and a proper heat transfer from the spark plug to cylinder head Insulator tip Its shape facilitates regulation of heat removal from the combustion area
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