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It is a question concerning the IRIDIUM TOUGH that is often.
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Does the engine need to be specially set when fitting IRIDIUM TOUGH? |
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| No. The plugs can just replace the ones you take out. |
The IRIDIUM TOUGH itself has a low required voltage and high ignitability and is able to draw out the power of an engine.
The superb performance of IRIDIUM TOUGH is obtained merely by installing them in your vehicle. And, of course, there is no need for special tuning. |
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