MSD 8950 Engine RPM Activated Switch Kit, RPM Activated
MSD 8950 Engine RPM Activated Switch Kit, RPM Activated. Switch Kit, RPM Activated. This Switch will supply then remove ground to a circuit. These 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
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