Digital HEI Module, GM
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MSD Ignition Digital HEI Module, GM

Part No. 83647 Warranty Details  
$111.99
Quantity  Add to Cart

Fit of this part varies by vehicle & equipment specs Type of Fit

This all new heat HEI module supersedes the current PN 83645. Using upgraded components, the heat produces high output for stock and MSD applications plus has a built-in rev limiter that is more accurate and easier to set with the engine running.

Product Features:
  • Easily installs to non-computer controlled (4-pin) HEI housings
  • Built-in adjustable rev limiter can easily be set externally
  • Advanced dwell control for improved high RPM output
  • The hottest HEI module you buy-period
  • Produces an incredible 7.5 A of juice
  • Adjust the rev limiter without removing the cap
  • Fits in stock HEI distributors
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Do you have questions about this product?

 

Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

3 Questions | 3 Answers
Displaying questions 1-3
  • Q:

    Does this replace the condenser on the stock ign. Module
    Asked on 7/17/2017 by pete from charlotte n.c.

    1 answer

    • CUSTOMER CARE

      A:

      Glad to assist, Pete! This MSD Ignition Digital HEI Module - Part No. 83647 fits stock GM HEI distributor housings (original condenser assembly must be removed) or MSD-8365 Pro-Billet HEI distributors only.

      Answered on 7/20/2017 by Solomon from AAP
  • Q:

    I have srt8 hemi challenger 2014 automatic 6.4 engine, does this work for srt8,
    Asked on 6/8/2017 by Yune from Pensacola Florida

    1 answer

    • CUSTOMER CARE

      A:

      No, Yune! This MSD Ignition Digital HEI Module, GM (Part No. 83647) does not fit your 2014 SRT8 6.4 L. The exact HEI Module for your vehicle is unavailable online. However, I would suggest that you visit the nearest Advance Auto Parts store to check the availability of this part.

      Answered on 6/9/2017 by Solomon from AAP
  • Q:

    do you have a 5 pin connector
    Asked on 5/5/2013 by Lee from Corpus Christi texas

    1 answer

    • CUSTOMER CARE

      A:

      In order to locate the exact 5 pin HEI Module, please provide the year, make, model and engine size of your vehicle. For more information, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

      Answered on 5/6/2013 by Steve from AAP
Displaying questions 1-3

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