Extreme Output Rotor, GM HEI
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MSD Ignition Extreme Output Rotor, GM HEI

Part No. 84101 Warranty Details  

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With the introduction of our 20 Amp extreme HEI module, we needed an HEI cap and rotor that could withstand the high output. The answer was to mold our own HEI cap, rotor and coil cover. The cap and rotor will fit our HEI Pro-Billet distributor, PN 8365, plus will work on stock applications.

Product Features:
  • Resist carbon tracking
  • Low resistance brass
  • Max voltage transfer
  • High quality; voltage insulating material
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