MSD RPM Three Step Module Selector GPS Antenna Autometers Digital Stepper Motor Display

Autometers Digital Stepper Motor Display Makes Viewing Your Exact Exhaust Temperature Effortless

Features top and bottom O-ring seals

17" reverse rotation designDerale has been the leader in performance cooling for decades

spring maximum lift:

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MSD RPM Three Step Module Selector GPS Antenna Autometers Digital Stepper Motor DisplayThe MSD Module Selectors allow you to choose two or three different rpm limits that can be activated at different times. With this ability, the possibilities are endless. As an example, well use a drag car with a Three Step Module Selector plugged into the rpm socket of a 7AL 2 Ignition. The different rpm modules are activated when 12 volts are applied to a corresponding wire. By connecting one wire to the line lock circuit, one module will be