NGK Laser Iridium Spark Plug IFR8H11 (Box of 4) - Select Honda 2002-2017 (CRF450R/X / TRX450R)

Fits 2002-2017 Honda CRF450R, CRF450X, and TRX450R off-road and ATV models.

NGK Laser Iridium spark plugs are engineered to deliver the ultimate combination of performance and longevity for OE applications. The IFR8H11 features a laser-welded iridium-tipped center electrode that is six times harder than platinum, ensuring high durability and a consistently stable spark under extreme operating conditions. Designed with a 98% pure copper core, these plugs provide superior heat dissipation to prevent overheating and ensure reliable cold starts.

• Iridium & Platinum Construction: Features an iridium center electrode for wear resistance and a platinum pad on the ground electrode for even wear in high-output ignition systems.
• Pure Alumina Silicate Ceramic: High-grade insulator provides superior structural strength and enhanced heat transfer.
• Trivalent Metal Plating: Specialized coating offers excellent anti-corrosion and anti-seizing properties, protecting the threads in the cylinder head.
• Triple Seal Design: Prevents combustion gas leakage to maintain engine compression.
• Copper Core Technology: Deeply inserted copper core aids in rapid heat removal to maintain the correct heat range.

This 4-pack of NGK IFR8H11 spark plugs ensures your Honda single-cylinder engine maintains its factory-specified ignition efficiency and throttle response.