Lisle 20610 Inline Spark Tester<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Quickly diagnose problems with all ignition systems</li><li>Connect the tool between the spark plug and the plug wire</li><li>The tool is double-ended to offer a straight boot and a 90 boot on one tool</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ZD5T1ARRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41CUyceW3RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41kw1gpGRXL.jpg" noproxy>