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NGK Racing spark plugs are designed for severe competition conditions, using unique center electrode designs and tuned heat ranges to maintain ignitability and durability under stress. Backed by NGK's motorsport pedigree, these plugs help deliver consistent combustion in high-demand engines and feature protective plating and ceramic insulation to resist wear and support repeatable high-performance operation.
NGK Nickel Spark Plug Box of 4 (R5724-9)
