NGK SB05E Resistor Spark Plug Cap<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>NGK resistor covers are manufactured using extremely durable phenolic resin and EPDM rubber</li><li>Ceramic resistors are used to ensure optimum performance and reliability</li><li>Resistor covers will withstand extreme heat， vibration， prevent flashover and are water proof</li><li>Straight boot 5K ohm resistance nut terminal</li><li>14mm thread</li></ul></div><img src="http://ecx.images-amazon.com/images/I/319sJu0LMZL.jpg" noproxy>