MSD Digital 6 Offroad Ignition 1955-chevrolet-bel-air-esi1634841 Flowmaster introduces our Flow FX

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MSD Digital 6 Offroad Ignition 1955-chevrolet-bel-air-esi1634841 Flowmaster introduces our Flow FXAn easy to read LED display on the face of the unit clearly displays the rev limit RPM. The display, in conjunction with rotary dials, is used to set the rev limit, cylinder select, and even a timing start retard for race engines. The handy display can also show a live tach reading and even battery voltage with the quick turn of a knob.