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It is a question concerning the IRIDIUM POWER that is often.
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| They use iridium of the same quality in the tip but the purposes and specifications of the spark plugs differ. |
| The IRIDIUM POWER is a high performance spark plug. The iridium spark plugs offered as genuine parts by car manufacturers are long-life spark plugs. The center electrode in both is made from the new iridium alloy but the purpose of both are different. Therefore, the electrode diameter and ground electrode specifications also differ. |
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| DENSO precious metal spark plugs are classified into the four types shown in the following table according to the center electrode material and type. |
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