Champion 9406 Champion Iridium 9406 Spark Plug (Carton of 4)

Champion (290) (290) Champion Iridium 9406 Spark Plug (Carton of 4) 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. Heat-Active alloy allows electrodes to reach optimal temperature quickly. Avanti Pass. Car: 4.6L V8 (07-07); Ford Lt. Trk.: 4.6L V8 (10-08), 5.4L V8 (14-08), 6.8L V10 (15-08); Ford Pass. Car: 4.6L V8 (10-08); Lincoln Lt. Trk.: 5.4L V8 (14-08); Mercury Lt. Trk.: 4.6L V8 (10-08)