Champion Iridium- Boxed - REA9WYPB4, 9412

Champion iridium- boxed - rea9wypb4champion 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 9412 spark plug (carton of 4) application summary:bmw lt. trk.: 3.0l l6 (15-11); hyundai pass. car: 3.8l v6 (14-09), 5.0l v8 (14-12); infiniti lt. trk.: 2.5l l4 (15-14), 3.5l v6 (15-08), 5.0l v8 (14-09), 5.6l v8 (15-11); infiniti pass. car: 2.5l v6 (12-11), 3.5l v6 (15-07), 5.6l v8 (15-11); jaguar pass.