Description
From the Manufacturer
Can be programmed to turn on a light, activate a high speed retard or cause an air-shifter to shift by simply plugging in an rpm module. The RPM Switch has two activation wires which, at your pre-selected rpm point, will either ground or open a circuit. No RPM Modules are supplied so they must be ordered separately.
SPECIFICATIONS 2 Activation Wires Can Be Used with Stock Inductive Ignitions Or Msd Ignition And Can Handle Up To 1.5 Amps No Rpm Modules Supplied
Product
MSD 8950 RPM Activated Switch






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