... Better Center Electrode Anti-Oxidation and Anti-Erosion Improved Ignition Superior Anti-Fouling Lower Required Voltage**only reccomended for F/I and nitrous applications**...
... better center electrode anti-oxidation and anti-erosion, improved ignition, superior anti-fouling, lower required voltage, new metal shell plating process for better anti-corrosion...
... better center electrode anti-oxidation and anti-erosion, improved ignition, superior anti-fouling, lower required voltage, new metal shell plating process for better anti-corrosion...