ROVER ITAL 1300 1700 2000 (1980-84). MORRIS MARINA 1300 1700 (1979-80). NEW BALLAST IGNITION COIL. This suitable for any points based ignition system fitted with 1.6ohm Ballast resister. fits 12 Volt ignition systems, this coil has a primary resistance of 1.5 Ohms.