Tri-Spark Mag replacement ignition Triumph pre unit twin. Now you can replace your old magneto with modern electronic ignition from Tri-Spark. Suits 3 bolt flange applications - this is a 12 volt system and includes a dual 12v coil. Use 70-3411 Alloy Mag drive gear if required

Can be converted to a single cylinder application for other british singles using the Lucas Magneto K2F, K1F, KVF.Please ask for details