Time-Sert M14x1.25 Domestic spark plug thread repair kit p/n 4412E-187<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Taper Seat Spark plug repair for General Motors， GMC， Chrysler， &amp; others MADE IN USA!</li><li>Repair kit includes all the tools and inserts for professional quality repair.</li><li>2 inserts each included of the 24mm， 15.7mm &amp; 10mm reach inserts.</li><li>Fast and reliable repair by Time-Sert® M14x1.25 spark plug repair kit</li><li>FIRST TIME REPAIR ONLY! for oversize repairs see kit 5141S</li></ul></div><img src="http://ecx.images-amazon.com/images/I/515eD5UnXTL.jpg" noproxy>