Double Iridium Premium RX Spark Plugs, Set of 3, for N-BOX JF1, JF2, and N-ONE JG1 and JG2. Reference Part Number: LKR7ARX-PS (12290-R9G-003).

Product Features: Our double iridium spark plugs feature a double iridium electrode design, providing more stable sparks and greater durability. This optimizes combustion efficiency, improves power output, and improves fuel economy. They also have a longer service life than conventional spark plugs, typically reaching 60,000 to 100,000 kilometers.

Compatible Vehicles: Compatible with N-BOX (JF1/JF2) and N-ONE (JG1/JG2). For details, please refer to the product details page.

This product is only compatible with vehicles with reference part numbers LKR7ARX-PS or 12290-R9G-003. This product is based on the NGK spark plug with part number LKR7ARX-PS, but with electrodes upgraded to iridium material on both ends. While compatible, it is not an NGK product. Please verify your specifications before purchasing.

Product Description: The iridium material in these spark plugs has excellent wear resistance and a long service life. This promotes more efficient combustion and improves power output. It also effectively reduces fuel consumption and improves economy. It allows for smooth starting even in cold environments, is compatible with a wide range of vehicle models, and is easy to install and replace. Deterioration Phenomena We recommend replacing your filter as soon as possible if you experience any of the following symptoms: 1. Difficulty starting the engine: If the engine is difficult to start due to poor ignition. 2. Reduced power: If you feel no power when accelerating. 3. Deteriorated fuel economy: If fuel efficiency decreases and fuel economy worsens. 4. Unstable idling: If you feel vibration or instability when the engine is idling.