NGK (7472) (BPM7A Solid) Standard Spark Plug， Pack of 1<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Solid terminal nut</li><li>Solid Terminal Nut</li><li>Insulators constructed from 99 percent pure alumina silicate</li><li>Solid core offers superior heat dissipation and conductivity</li><li>Corrugated ribs prevent flash over</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31xkvVKkFIL.jpg" noproxy>