Hipa CMR7AU Spark Plug Replace for NGK CMR7A Champion RY4C
Hipa Copper core Spark Plugs are constructed for longer life and optimum performance:Trivalent metal plating provides superior anti-corrosion and anti-seizing properties; Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer; Copper core aids in heat removal; Triple seals prevent leakage