OER Parts offers a wide selection of Ignition System Components for your 1966 Dodge D300 Series. OER Parts offers 1966 Dodge D300 Series Performance Ignition, 1966 Dodge D300 Series Stock Ignition, 1966 Dodge D300 Series Coils, 1966 Dodge D300 Series Cap and Rotors,, 1966 Dodge D300 Series Ignition Control Modules, 1966 Dodge D300 Series Spark Plugs, 1966 Dodge D300 Series Spark Plug Wires, 1966 Dodge D300 Series Distributors, and 1966 Dodge D300 Series Tune Up Kits.