[Set of 6] HKS SUPER FIRE RACING 50003-M35 Iridium Spark Plugs Heat Range No.7
HKS
**** Description ****\u25A00.6mm iridium alloy center electrode\nIridium alloy center electrode with reduced required voltage and improved ignitability, but with superior durability.\n\n\u25A0Grounding electrode with platinum square tip\nImproved wear resistance and, together with the iridium alloy center electrode, improved ignitability. The shortened tip enables a tapered shape and secures a larger space volume.\n\n\u25A0Short Type Seismic Grounding Electrode\nShortened electrode length and optimized cross-sectional shape increase the cross-sectional coefficient while reducing mass. This contributes to improved strength and durability of the grounding electrode.\n\n\u25A0Thermo Edge\nCarbon buildup caused by prolonged idling and various combustion environments, including air ratios, can degrade insulation and cause misfires. By placing a thermo-edge at the tip of the insulator, micro-discharges are generated to burn off accumulated carbon and ensure constant insulation.\n\n\u25A0Auc
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