NGK NGK SPARK PLUG - 25 PACK 6521 (25)

Up for sale is NGK NGK SPARK PLUG - 25 PACK. The vendor part number is 6521 (25). Read title carefully to know what you are getting. Catalog description…. 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 Individually