Boyer Bransden Electronic Ignition Black Box - MKIV 97-1889 etc) from 1969-1982

etc) from 1969-1982

* Excellent Quality

This Adapter is the nicest we have seen

M Part number is 421112

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

Boyer Bransden Electronic Ignition Black Box - MKIV 97-1889 etc) from 1969-1982*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 Is your black box outdated?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