Blaster Coils can be used in stock applications, but do not include a ballast resistor. When you are using an MSD Ignition Control, the Ignition is responsible for delivering the voltage to the coil so a ballast is not necessary
DC Automotive Performance
383 Fort William Rd, Thunder Bay, ON, P7B 2Z4 Toll Free: 1-877-351-5604
Phone: (807) 344-3340 Fax: (807) 346-4326
Email: sales@dcperformance.ca