Home/1964-73 Mustang Ignition Boxes and Coils MSD Digital 6AL ignition box with rev limiter $345.15 MSD Digital 6A ignition box $316.39 MSD Street Fire Ignition w/ Rev Limiter $248.15 MSD Blaster SS coil, universal fit $86.72 MSD Blaster SS coil, universal fit, black $86.72