NGK 5666 CR8EH-9 NGK Standard Spark Plug

NGK Spark Plugs Feature Corrugated Ribs to Reduce Flashover, Triple Gasket Sealing to Prevent Combustion Gas Leakage, Trivalent Metal Plating for Anti-Seizing and Anti-Corrosion Properties as well as a Solid Copper Core for Greater Spark and Heat Transfer.