Click on image to zoom

MSD GM High Energy HEI Module

Ignition Control Module, Heat Digital HEI Module, MSD Pro-Billet HEI Distributors, Each.
Return Shipping
Availability: Same Day Shipping!
Shipping: FREE SHIPPING! Ships from Michigan.
Was: $122.95
Sale: $109.95
Save: 11%
Save: $13.00


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.


  • 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 amps of juice!
  • Adjust the rev limiter without removing the cap!
  • Fits in stock HEI distributors

    Pit Stop USA offers MSD GM High Energy HEI Module 83647 at low everyday prices. Be sure to check out all of our products from MSD including MSD Control Modules and MSD HEI Service Parts.
  • Details

    • MSD83647
    • MSD83647
    • 85132836475
    • MSD
    • Available
    • Same Day Shipping!
    • New

    Shipping Information

    • Item Requires Shipping
    • 0.4 lbs.
    • W6.0500” x H1.7000” x L7.7500”
    • Shipping
    • FREE SHIPPING! Ships from Michigan.

    Customer Reviews

    Comment Total Reviews (0)

    Write the First Review!

    You must login to post a review.