NGK 6422 Standard Spark Plug BPR7HS, 4 Pack

NGK Standard Spark Plugs are treated with corrosion resistant plating to ensure ease of installation and removal. The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. Coldrolled threads prevent crossthreading and damage to cylinder heads. Trivalent plating eliminates need for antiseize. Corrugated ribs prevent flashover. Highgrade alumina silicate ceramic.