The NGK 7421 BMR6A Nickel Spark Plug is designed for extended durability and peak performance. With trivalent metal plating, it offers excellent anti-corrosion and anti-seizing properties, ensuring longevity in various conditions. Corrugated ribs prevent flashover, while the pure alumina silicate ceramic insulator provides superior strength and enhanced heat transfer. A copper core aids in efficient heat removal, and the triple seals prevent leakage, making this spark plug a reliable choice for maintaining optimal engine performance.

Part number: BMR6A