New series of plugs inherits the best from existing M series and features Ruthenium Alloy Electrode to provide a reliable spark for all vehicles, including vehicles with increased boost or lightly tuned vehicles._x000D_
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On top of extended lifetime, use of Ruthenium alloy allows a better fuel burn, resulting in quicker throttle response, smoother idle and better cold starts._x000D_
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Use of this spark plugs on a vehicle not compatible with this type of spark plugs may lead to serious engine damage._x000D_
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When replacing spark plugs, be sure to compare the shape of a new plug with the installed one._x000D_
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Please select an appropriate spark plug for your vehicle._x000D_
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Ruthenium Alloy Center Electrode reduces voltage requirement as well as ignition performance improvement and durability._x000D_
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Brass Terminal offers film fitting to plug wire or coil-pack._x000D_
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Plating coating for better insulation and excellent corrosion resistance._x000D_
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Outer electrode with platinum square chip improves ignition, maximum durability, combustion speed and quality._x000D_
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The outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration._x000D_
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Indicated price is per plug.
