铱金火花塞 BKR6EIX-11 4272 丰田雷克萨斯大众奥迪通用点火升级

When your vehicle experiences rough idle, weak acceleration, noticeably higher fuel consumption, or cold-start difficulties, it is likely spark plug electrode wear or excessive gap causing misfire. This iridium spark plug BKR6EIX-11 4272, under normal operation, converts high-voltage to spark to ignite the mixture, ensuring smooth power output and complete combustion. OEM number BKR6EIX-11 4272; fits Toyota, Lexus, Volkswagen, Audi and many post-2000 models. Use a torque wrench to tighten to specification to avoid over-tightening damaging threads or under-tightening causing leaks; ensure no carbon deposits in the cylinder.