NGK 4549 CR7HSA NGK Standard Spark Plug

NGK (635) (635) CR7HSA 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.