Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The NGK Iridium Racing spark plug blends racing-grade ignitability with the durability of iridium for high-heat applications. Fine-wire iridium center electrodes deliver stable sparks and strong resistance to wear, while specialized configurations support a range of heat ratings and throttle response improvements. Trivalent plating and a robust ceramic insulator help prevent corrosion and flashover. Offered in a box of four for racing use.
NGK Iridium Racing Spark Plug Box of 4 (R7437-8)
