Boyer Bransden Electronic Ignition Black Box - MKIV 97-1889 * Excellent Quality

* Excellent Quality

etc) from 1969-1982

Contact breakers are sold individually - (1) set of contact breakers will cover (1) cylinder

Please use the drop down menu to select which trunnion you need for your application

This Adapter is the nicest we have seen

Boyer Bransden Electronic Ignition Black Box - MKIV 97-1889 * Excellent Quality*Just Arrived!* New! Boyer Bransden Replacement Black Box For Triumph & BSA Twins! Is your black box outdated? Malfunctioning? Or it accidentally got fried? Well instead of buying a new electronic ignition system again, just replace the black box! Yes we know, you thought you had to buy a whole new kit! Save the money! Works with Triumph & BSA Unit Twins running 12 volt. Although the box states "Triumph & BSA Twins" this module will work on 12 Volt