MSD 8677 Adjustable RPM Module<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Simple adjustable low RPM module</li><li>Dial in any RPM range between 1k and 3k</li><li>Change RPM by turning a potentiometer</li><li>Great with automatic transmissions using MSD 2 step mod selector</li></ul></div><img src="http://ecx.images-amazon.com/images/I/216SAREEWVL.jpg" noproxy>