* The centre electrode is from nickel alloy filled with copper core (SUPER) or from special nickel-yttrium alloy (SUPER YTTRIUM) with high heat conductivity what enables to optimize thermal balance of active parts of spark plug. Perfectly covers engine’s demand at both low speeds driving with prevalence of cold starts and long-running highway driving.
* Spark plugs BRISK SUPER / SUPER YTTRIUM are suitable for use of leaded and unleaded fuel.
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