Extreme Output Distributor Cap, GM HEI
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MSD Ignition Extreme Output Distributor Cap, GM HEI

Part No. 84111 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.

Product Features:
  • Designed w/performance in mind
  • High quality; voltage insulating material
  • Brass terminals
  • High dielectric properties
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by PowerReviews
MSD IgnitionExtreme Output Distributor Cap, GM HEI

(based on 1 review)

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Reviewed by 1 customer

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fire it up!


from morgantown WV.

About Me Auto Enthusiast

Verified Buyer


  • Durable
  • Easy To Install
  • Increases Power


    Best Uses

    • Performance Driving

    Comments about MSD Ignition Extreme Output Distributor Cap, GM HEI:

    I shop advance auto for the best parts and the best price on parts like this MSD cap which I consider the best cap on the market it is high quality very strong and made to perfection with solid brass terminals heavy duty clamping hardware I am very happy with the purchase of this product, and the service thanks advance auto fore sending me emails with promo so I can get great deals on great parts that you sell, Iwill continue to shop with you for the parts I need at the price that beats most others. THANK,S again Advance Auto!

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