Denso Iridium IK24 Spark Plug
These 3 step colder plugs are recommended by URD if you are running the 7th Injector and 2.1 pulley upgrade on a Supercharged 5VZ engine. If you are running the stock pulley (Low Boost) on the 5vz supercharger, Magnuson recommends staying with the stock heat range spark plug. A new generation of high performance spark plug that uses the world's smallest Iridium electrode that is a mere 0.4mm in diameter! The smaller the electrode, the more concentrated the electric potential at the electrode. The stronger the electric field, the lower the required voltage. As a result, combustion is good for all types of driving, the engine starts easily, and acceleration improves.
NOTE: Sold individually, (6) are required for the 5VZ. These spark plugs DO NOT REQUIRE GAPPING. Gapping these plugs will result in snapping of the center electrode!
This product should not be used in a manner that violates Federal EPA Laws.
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Note: Images are for illustration purposes only. Images may not represent the product listed. Please contact customer service with any questions or concerns: 1-928-505-2501.