MSD RPM Activated Switch - 4 Cylinder Nomex Underwear Top The addition of the industry-leader

The addition of the industry-leader in digital gauges provides the potent power + visibility combo that has no competition

Ford Fullsize Truck 2011-20

100 Liters

Rated at 300 Amps continuous service

Prototipo 6C

MSD RPM Activated Switch - 4 Cylinder Nomex Underwear Top The addition of the industry-leaderThese RPM Activated Switches will perform a variety of different functions from turning on a bulb or solenoid to activating an MSD Timing Control at a desired rpm. The RPM Activated Switch, PN 8950, 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