The Napa Echlin IC105 ignition coil is a vintage part designed for front placement on vehicles like the Colt, Acclaim, Dynasty, Sephia, Galant, and 3000GT. It is a block ignition coil manufactured in the United States by Napa Echlin. This ignition coil does not require an external resistor and is compatible with various interchange part numbers from brands like Kia, Beck/Arnley, and Delphi. It is known for its matte finish and is specifically designed for the mentioned vehicle models.