B9HS Spark Plug(s)

NGK Spark Plugs have superior construction for serious power from the world's largest supplier of OEM platinum plugs. Tolerances designed into these precious-metal plugs are so exacting the margin for error approaches zero. Features include high alumina ceramics for improved heat dissapation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer life.