Features/Benefits

• If You Are Using The Magnetic Pickup Input (Green And Violet Wires) To Trigger Your MSD Ignition, You Will Need The Pn Un0577 Tach Adapter. The Pn Un0577 Will Correct The Operation Of Most Voltage-Triggered Tachometers That Do Not Work Directly Off The Tach Output Terminal Of The MSD Control. This Adapter Should Also Be Used On Current-Triggered Tachs (Hooked In Series With The Ignition Switch).
• Magnetic Trigger Installations Or Current Triggered Tachometers

• Engineered to Meet or Exceed OEM Specifications
• MADE IN AMERICA

• OEM Part Number: 8920 ; Mustangs Plus #12725
• Associated Years: 1953-2021
• Item Quantity Size: 1 EA
• Shipping Dimensions (LxWxH): 6in x 10in x 3in
• Weight: 0.8 pounds

• Tariff Code: 8511906040

• Keywords: Control Modules, Ignition, Ignition Control Module