Denso (5306) IW20 Iridium Power Spark Plug, (Pack of 1)
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<b>[Product Information]</b><br>
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<li>0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential</li>
<li>U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching</li>
<li>DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode</li>
<li>DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode</li>
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