Champion Iridium spark plugs offer maximum performance regardless of engine or ignition type. Each plug has an extremely fine-wire iridium center electrode that is "laser-locked" to the center electrode, and a platinum V-trimmed ground electrode to ensure the longest life and greatest erosion resistance.
Features & Benefits:
Platinum ground to ensure high performance and long life
Maintains stable operating temperature under all engine loads
Greatest engine performance regardless of engine type or ignition system
Extremely fine-wire iridium center electrode laser-locked to center electrode
Exclusive Heat-active Alloy allows electrodes to reach optimal temperature quickly