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2a/1 and SFI 3
slim design for improved agility in a tight footwell setting
Delphi 600 Series
1977-1977 Buick Regal
1977-1979 Pontiac Bonneville
MSD RPM Activated Switch - 4 Cylinder 923214 2a/1 and SFI 3These 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
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