Edelbrock MSD 8918 Tach Signal GMR Pickup TAchometer Drag Race Truck Car hot rod movies Vtg Three Brass Flowered Leaves

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It is a vintage analog gauge designed to measure alternating current (A-C) from 0 to 500 milliamperes (mA)

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just something you dont see everyday

Edelbrock MSD 8918 Tach Signal GMR Pickup TAchometer Drag Race Truck Car hot rod movies Vtg Three Brass Flowered LeavesEdelbrock Inductive RPM Sensor (Part Number 71937), designed to generate a tachometer signal without splicing into existing wiring. Compatibility: Works with carbureted and most Electronic Fuel Injection (EFI) engines. Function: Clamps onto a current carrying wire (like a coil primary lead) to provide a stable 12 volt square wave signal for tachometers or shift lights. Installation: Features a no splice, no cut installation for quick setup. MSD Tach