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Specification: R9IV Diameter ofthread: 10mm Length ofthread: 19mm Six side size: 16mm Calorific value: 9 D8RIV Diameter ofthread: 12mm Length ofthread: 19mm Six side size: 17.5mm Calorific value: 8 Feature: Iridium alloy has an extremely high melting point Iridium electrode is 25% smaller than a platinum electrode and is 1/4 the size of a conventional nickel electrode Fine wire center electrode ensures high durability and a consistently stable spark Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life Corrugated ribs prevent flashover Metal shell plating has enhanced anti-corrosion qualities Copper core promotes heat removal Triple seals prevent leakage Warranty: 90-day warranty
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🇺🇸 Ship from USA · On Agora since 2026
$17.89