MSD 8744 RPM Module Kit (4000 to 4800)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Five different modules provided</li><li>200 RPM even increments</li><li>From 4000 to 4800 RPM</li><li>Set a different RPM limit for the launch or overrev</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31B19ARMV2L.jpg" noproxy>