NGK 4578 Spark Plug Quantity 10

High-grade alumina silicate ceramic insulator for superior strength and heat transfer Cold-rolled threads to prevent cross-threading and damage to cylinder heads Trivalent plating eliminates need for anti-seize and corrugated ribs prevent flashover Quantity: 1 per package International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.