Racing Spark Plugs R5724-9

What's firing your engine? NGK racing spark plugs are built to withstand the severe mechanical and thermal shock associated with high-revving, high-compression engines. NGK racing plugs feature special electrode materials—precious metals like platinum, iridium, and ruthenium—for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability. And, the unique arrangement of insulator noses improves throttle response! Whether you're a weekend warrior or an expert racer, rocket your way to victory with racing spark plugs from NGK—the people who spark winners!

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