NGK ILKR9G8 97168 Spark Plug Iridium

The NGK ILKR9G8 97168 Iridium Spark Plug is engineered for high-performance ignition in modern engines. Featuring a fine-wire iridium center electrode, it delivers sharper spark, quicker acceleration, and consistent flame propagation even under demanding operating conditions. Its 12mm thread diameter ensures compatibility with a wide range of engines, while the durable construction promotes extended service life and reduced misfires. Ideal for daily drivers and performance applications alike, this plug supports efficient fuel combustion, improved throttle response, and reliable cold starts. Whether you’re tuning for power or seeking greater reliability, the ILKR9G8 delivers dependable performance and endurance, helping engines run smoother with fewer maintenance intervals.