Honda Double Iridium Spark Plug 12290-RBJ-003 DILFR6F11G Engine Ignition Upgrade

Honda Civic, CR-V, Accord (2.0L-2.4L, post-2000) ignition system upgrade uses dual iridium spark plugs 12290-RBJ-003 DILFR6F11G; ideal for higher performance. Dual-iridium electrodes with higher melting point offer greater erosion resistance, about 2–3x durability, maintaining ignition gap stably. OEM numbers correspond to 12290-RBJ-003 and DILFR6F11G; improves combustion efficiency, reduces carbon buildup and misfire risk, especially suitable for high-rev driving.