Toyota Honda Lexus GM Iridium Spark Plug BKR5EKB-11 3967 Multi-vehicle fit

If your vehicle experiences rough idle, jerky acceleration, cold-start difficulty, or significantly higher fuel consumption, this indicates worn spark plug electrodes, wide gaps or heavy carbon buildup needing replacement. This BKR5EKB-11 iridium plug reliably ignites the air-fuel mix for smooth power delivery and lower emissions with better fuel economy. Fits numerous post-2000 Toyota, Honda, Lexus models; OEM BKR5EKB-11/3967. Use a torque wrench to tighten to specified torque; avoid over-tightening or under-tightening and clean carbon buildup; inspect ignition coils.