Upgrade your engine's performance with the NGK Laser Iridium Spark Plug IMR9D-9H, designed specifically for Honda personal watercraft (PWC) from 2002 to 2007. These spark plugs offer exceptional durability and efficiency, making them a top choice for enthusiasts seeking reliable starts and improved ignition. The iridium-tipped center electrode ensures longevity, boasting a hardness six times greater than platinum, providing optimal performance under demanding conditions. NGK's Laser Iridium technology includes high-grade pure alumina ceramic and a 98% pure copper core, preventing overheating and ensuring consistent performance. Additionally, many models feature a platinum pad on the ground electrode for even wear, enhancing the lifespan and reliability of your ignition system. Experience superior quality and performance with NGK Laser Iridium Spark Plugs, perfectly suited for your Honda PWC. <b>Features:</b> * Iridium-tipped center electrode: Provides durability six times harder than platinum: Iridium-tipped center electrode: Provides durability six times harder than platinum * High-grade pure alumina ceramic: Prevents overheating for reliable starts: High-grade pure alumina ceramic: Prevents overheating for reliable starts * 98% pure copper core: Ensures consistent performance and longevity: 98% pure copper core: Ensures consistent performance and longevity * Platinum pad on ground electrode: Promotes even wear in ignition systems: Platinum pad on ground electrode: Promotes even wear in ignition systems