Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug
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<b>[Product Information]</b><br>
<ul>
<li>Single Plug</li>
<li>Denso # 3421</li>
<li>Extra Long Life Iridium Plug</li>
<li>0.7mm Fine Wire Iridium-Tipped Center Electrode</li>
<li>Platinum Tipped Ground Electrode</li>
</ul>
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