NGK Single Iridium Spark Plug Box of 4 LTR5IX-11 - 4344Find parts that fit my vehicle

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Spark plugs, ignition wires, coil packs, ignition coils, and distributors are all essential parts that affect the performance of your car. Search from your favorite brands like NGK, Edelbrock, MSD Ignition, Bosch, HKS, and AEM Electronics, to give your car the proper ignition it needs.

Spark plugs are an essential part to keep your car running. It is recommended that your replace your spark plugs every 20,000 to 40,000 miles. If you are looking to increase the power of your car, you may need to get some spark plugs that run a step cooler than OEM.

With over 80 years of automotive expertise, we are driven by extreme dedication to performance and quality. From OEM to aftermarket, our people push the boundaries of innovation to bring the latest technologies to market under the NGK and NTK brands.

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