Check if your model needs the earlier type mechanical ATU ! This is a complete replacement Ignition Upgrade Kit. It consists of the renowned Dyna S self Contained electronic ignition,Dyna 3 ohm Hi Voltage Coils and Dyna's own HT leads and Plug Caps. Ideal to bring your classic bikes ignition system up to current standards of performance and reliabilty.The plug wires are available in Black,grey or red. Please add a message when buying which option you require.