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EA103513850
This K&N Stubstack is designed to be used with Holley 390-850 cfm square bore carbs (4150/4160)
Designed for 289-302 small-block Fords
Features: Designed for GM 4
RPM Activated Switch MSD8950 Product:RPM modules used to activate the switch EA103513850RPM Activated SwitchRPM modules used to activate the switch MSD8950 D8950 The RPM Activated Switch will perform a variety of different functions from turning on a bulb or solenoid to activating an MSD Timing Control at a desired rpm. It 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
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