Bosch Iridium 0242129804 (N41), Spark Plug Set of 4 for a Reliable Gasoline Engine Start and Long Service Life with Robust Design

Heroes under the hood: With more then 120 years of ignition expertise, Bosch spark plugs have original equipment quality and are trusted by many well-known manufacturers worldwide Compatibility matters: Use the parts' search function at the top of this page to find the correct spark plug for your vehicle, the engine requirements define the spark plug design needed for each car Tech specs: 4 iridium spark plugs - Electrode gap: 0.95 mm - Thread length and size: 26.5 mm, 12 mm - Spark position: 5 mm - Prescribed tightening torque: 28 Nm High performance: Designed with an iridium pin at the center electrode for a smoother ride and a higher wear resistance Easy to replace: No adjustment necessary as the electrode gap is pre-set - It's advised not to lubricate the thread and to use a torque wrench - Refer to the instruction manual for guidance