Champion Spark Plug Iridium- Boxed - RE14WMPB4

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.

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 Center Electrode Tip Material : Iridium Firing Tip Electrical Terminal Type : Removable Nut Ground Electrode Core Material : Platinum Pad Surface Ground Electrode Quantity : 1 Hex Size : 0.625 In Insulator Height : 0.12 In Manufacturer Heat Range : 14 Reach : 0.984 In Resistor Type : Yes Seat Type : Tapered Thread Diameter : 0.551 In