– 0.4mm Iridium Tipped Laser Welded Fine Wire Center Electrode
– Tapered Cut U-Groove Ground Electrode Increases ignitability and decreases quenching.
– Machine Rolled Threads Prevent seizing or cross threading during installation and removal
– 100% pre-fired to assure highest quality possible
– Purified Alumina Powder Insulator provides exceptional strength and thermal conductivity
– Five Rib insulator prevents flashover
– Copper-Glass Seal bonds center electrode and insulator for a Gas-Tight seal.