Champion Iridium- Boxed - RC8ZWYPB5, 9813

Champion iridium- boxed - rc8zwypb5champion iridium - the ultimate element. this spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.heat-active alloy allows electrodes to reach optimal temperature quicklymaintains stable operating temperature under all engine loadsv-trimmed ground electrode promotes sharper spark focusfine-wire center electrode and v-trimmed for greater ignitabilityiridium center electrode delivers maximum lifechampion iridium - maximum performance. premium spark plugchampion iridium 9813 spark plug (carton of 4) application summary:honda pass. car: 1.5l l4 (13-07), 2.4l l4 (07-03); porsche lt. trk.: 4.5l v8 (06-03); porsche pass. car: 3.2l h6 (06-06)