PerTronix 1548 Ignitor for Prestolite 4 Cylinder<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Delivers twice the voltage to the spark plugs， increasing horsepower， fuel economy， and spark plug life</li><li>2:1 improvement over points in current fall time for increased coil output</li><li>Rotating cobalt magnets trigger a Hall Effect integrated circuit no points to burn， no moving parts to wear out</li><li>Epoxy molding makes our module impervious to dirt， oil， grease and moisture</li><li>Stable timing no need for any adjustments</li></ul></div><img src="http://ecx.images-amazon.com/images/I/415FcnLQLaL.jpg" noproxy>