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It is a question concerning the IRIDIUM TOUGH that is often.
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How does the IRIDIUM TOUGH compare to iridium plugs from other makers? |
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| With its 0.4mm dia. iridium center electrode, IRIDIUM TOUGH offers better acceleration and starting than any plugs. The addition of the platinum on the ground electrode results in high performance and long life not seen in the product lines. |
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