Description
Upgrade your engine’s performance and reliability with NGK 6578 Standard Series Spark Plugs (BPR4ES). OEM-quality construction delivers consistent performance, improved ignitability and fuel efficiency, and high resistance to fouling and wear. Pre-gapped for easy installation (verify before install). Trivalent metal plating provides anti-corrosion and anti-seizing properties, corrugated ribs prevent flashover, the pure alumina silicate ceramic insulator offers superior strength and heat transfer, and the copper core aids heat removal.
