Champion Iridium Spark Plug RC8WYPB3 Carton of 4 Application Summary Audi Lt. Trk.: 2.0L L4 (15-11); Audi Pass. Car: 2.0L L4 (15-05), 3.2L V6 (08-05); Buick Lt. Trk.: 1.4L L4 (15-13); Cadillac Pass. Car: 1.4L L4 (15-14); Chevrolet Pass. Car: 1.4L L4 (15-11),...