Coil Blaster SS Universal Add To Any 6-Series MSD IgnitionNote: If installing the Blaster SS Coil to a points distributor or a non current limiting ignition system without an MSD Ignition, a 0. 8 ohm ballast resistor is required (MSD PN 8214). The resistor should wire in series along with any factory resistors on the positive coil wire. Don't let the compact size of the Blaster SS Coil fool you, because it is packed with performance! The efficient E core windings are designed to produce high amounts of