Pertronix Digital Rev Limiter

Protect your engine against accidental over-revving.  This digital rev limiter is simple to install and easy to adjust with a rotary swtich that will adjust it to limit RPM range all the way from 1000 to 9900 RPMs with the simple turn of a dial.  It has reverse polarity protection, tachometer output, and is small and easy to mount.  There are only four wires to hook up!