Spark Plug NGK B9ES


NGK ES racing plugs are available in 8, 9 & 10 heat ranges. The pure alumina silicate ceramic insulator nose is designed for heat transfer and strength. The corrugated ribs prevent flashover and the copper core aids in heat removal.

  • thread size 14mm, thread pitch 1.25mm
  • reach 19mm
  • gap 0.8mm
  • centre electrode 2.5mm fine wire nickel non-projected