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The NGK Racing spark plug is built for extreme conditions where durability and ignitability matter most. Racing-specific electrode geometries and insulator designs deliver consistent sparks across a wide range of heat ratings to suit tough motorsport use. Trivalent plating, a strong alumina ceramic insulator and copper core help with heat transfer and ease of installation while resisting seizure after heavy use.
NGK Racing Spark Plug Box of 4 (R6601-10)
