M12x1.25x15mm spark plug insert p/n 42123 QTY 5</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>M12x.125x15mm spark plug inserts by Time-Sert QTY 5</li><li>Requires kit 4212 search # B00RW4PZHK to install this insert.</li><li>Common reach for M12x1.25 spark plugs.</li><li>professional spark plug repair inserts by Time-Sert</li><li>Quanity 5 pcs.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51pEysem5fL.jpg' noproxy></br>