NGK Standard Spark Plug Nickel Copper Core Yamaha YFM550 YFM700 Grizzly
NGK Standard Spark Plugs 5946 for Yamaha YFM Models. NGK OE-quality standard spark plug. Nickel alloy tip with copper core. Material: Nickel Alloy Tip, Copper Core. The high-grade alumina silicate ceramic insulator enhances strength and heat transfer, ensuring stable performance under demanding conditions.