• NGKs wide heat range results from using copper wire in place of the iron cores found in many conventional plugs
• Copper dissipates heat quicker, cooling the electrode and insulator tip
• Raised pre-ignition rating with high conduction copper and long nose insulator
• Each meets the requirements of high-performance engines
• Sold each
  
  
  Resistor Type
  13/16 in. hex
  11/16 in. thread reach
  14mm thread diameter
  Projecting insulator type
  Solid/Fixed terminal nut

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