Champion 9407 Champion Iridium- Boxed - RER8ZWYCB4

Champion (290) (290) Champion Iridium- Boxed - RER8ZWYCB4 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. Champion Iridium - the ultimate element. This spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.