MSD8950 MSD RPM ACTIVATED SWITCH

This RPM-Activated Switch, has two activation wires; one to ground a circuit and the other to open a circuit. Simply plug in an rpm module and wire the Switch to the circuit you want to activate. When the engine rpm reaches that amount, the circuit is activated and will remain on until the rpm falls below that amount. This Switch can be used with stock inductive ignitions or an MSD Ignition and can handle up to 1.5 amps. Ideal for use with Air or Electric shifters. For use on 4, 6, or 8-cylinder engines.