1x KIT52 Boyer Bransden Ignition Kit No 52 for. twin BSA A50 A65 1963-73, Triumph 500unit twins 64-74 & 650/750 unit 1963-end, to be used with ignition Coils 4-5 ohm, 12 Volt. Lagerort KIT52 . The Boyer Bransden range of Analogue MKIII ignition units are being progressively changed to improved MKIV versions.
