Home/1964-73 Mustang Ignition Boxes and Coils MSD Digital 6AL ignition box with rev limiter $444.28 MSD Digital 6A ignition box $383.56 MSD Street Fire Ignition w/ Rev Limiter $278.05 MSD Blaster SS coil, universal fit $110.27 MSD Blaster SS coil, universal fit, black $110.27