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MSD Ignition 8223 - MSD Blaster Coil

MSD Ignition 8223 - MSD Blaster Coil

MSD Ignition#121-8223

Red MSD Blaster 3 Coil
  • CARB E.O Number D-40-37

    MSD Ignition 8223 - MSD Blaster Coil Details

    Blaster 3 Coils

    Coil Specs:

  • Turns ratio: 100:1
  • Primary resistance: .7 OHMs
  • Secondary resistance: 4.5K OHMs
  • Inductance: 8 mH
  • Maximum voltage: 45,000 Volts (Tested with 6AL Ignition)
  • Peak current: 140 mA
  • Spark duration: 350 uS


  • Extra tall secondary tower for secure coil wire connection
  • Improved output coil for electronic ignitions, and MSD Ignitions (ballast resistor required for points)
  • 100:1 turns ratio and lower primary resistance produce high voltage output
  • MSD Red metal canister is filled with a premium grade oil for cooling
  • Supplied with a 90° spark plug style terminal and boot
  • CARB E.O Number D-40-37

  • MSD Ignition 8223 - MSD Blaster Coil

    If looking to upgrade your stock coil or to complement the performance of your MSD Blaster Ignition or MSD 5, 6, or 7, the Blaster Coil line is the right choice. All Blaster Coils are designed to improve spark output. Special 100:1 windings are used to provide maximum build-up of voltage; they're held secure and kept cool in an oil-filled metal canister. The tower assembly is molded of durable alkyd material due to its high dielectric characteristics while wide-spaced brass primary terminals prevent the possibility of spark. There are several versions of the Blaster Coil available. All of them have the same internal specifications but different housings or components. Each Blaster Coil can be used with a stock ignition; Blaster Ignition; and MSD 5, 6, or 7 Ignition Control. Most late model vehicles with electronic ignitions do not require a ballast resistor (check your ignition and manufacturer specifications to determine if a ballast is required for your application).

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