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 nickel alloy spark plugs - Electrode gap: 1.2 mm - Thread length and size: 25 mm, M 14 x 1,25 - 3 mm - Prescribed tightening torque: 15 Nm Steady acceleration and operation: Bosch standard spark plugs feature ground electrodes with a nickel alloy and copper core for high heat conduction, ensuring your engine runs smoothly and efficiently 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