Champion 9901 Spark Plug Pack Review

Champion Iridium - Maximum Performance. Premium Spark Plug. Iridium center electrode delivers maximum life. Fine-wire center electrode and V-trimmed for greater ignitability. V-trimmed ground electrode promotes sharper spark focus. Maintains stable operating temperature under all engine loads. Champion iridium spark plugs feature a fine wire iridium center electrode that is laser-locked to the center electrode. The fine-wire center electrode and platinum V-trimmed ground electrode produce the sharpest spark focus; This provides the greatest engine performance regardless of the engine type or ignition system. Exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads.