ACDelco 41-988 Professional Iridium Spark Plug (Pack of 1)
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<b>[Product Information]</b><br>
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<li>Iridium offers better engine idle stability and smoother performance</li>
<li>Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration</li>
<li>Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy</li>
<li>One piece suppressor seal blocks radio frequencies that can affect vehicle electronics</li>
<li>Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage</li>
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