Ignition Coil - Honda CB/CM400/450 Ignition coil for the Honda CB/CM400/450's from the late 70's and through the mid 80's. Put the spark back in your vintage Honda! All models listed are twins which used 1 dual output coil. Specifications: Mounting Hole Spacing: 102mm (4") (measured center to center) Overall Length of Mounts: 116mm (4.5") (measured end to end) Coil Dimensions: 79mm long x 47mm wide (3" x 1.8") High Tension Wire Length: 21" (spark plug wire) Low Tension Wire Length: 10" (Plastic Plug) Primary Resistance: 1.0 ohms +/- 10% Secondary Resistance: 14.3k ohms +/- 10% Replaces Honda part numbers: 30530-413-003, 30530-447-003 Fits Honda: CB250N Super Dream - 1979 CB250NA Super Dream - 1980 CB250NB Super Dream - 1981 CB400A Hawk Hondamatic - 1978 CB400N Super Dream - 1979 CB400NA Super Dream - 1980 CB400NB Super Dream - 1981 CB400NC Super Dream - 1982 CB400T Hawk - 1980-1981 CB400T Hawk I - 1978-1979 CB400T Hawk II - 1978-1979 CM400A Hondamatic - 1979-1981 CM400C Custom - 1981 CM400E - 1980-1981 CM400T - 1979-1981 CB450T Hawk - 1982 CB450SC Nighthawk - 1982-1985 CM450A Hondamatic - 1982-1983 CM450C Custom - 1982 CM450E - 1982-1983 4into1motorcycleparts • Store Policies