{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle
Universal Fit Add Vehicle

MSD®
83647 High output replacement HEI module with built-in rev limiter

Tap image and pinch to zoom.
$147.55
$183.00Save: $35.45(19%)
Manufacturer #83647
Universal Fit Add Vehicle
Qty:
1

Highlights

Part:
Ignition Module
Brand:
MSD
Notes:
HEAT HEI Module; Fits in Stock HEI Distributors
Recommended Use:
Performance
Product Fit:
Universal
Warranty:
1-year MSD limited warranty
Quantity Sold:
Sold individually
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series:
HEI Digital Series

Product Information

MSD – GM HEI DIGITAL IGNITION MODULES

These digital ignition modules for GM’s HEI distributors generate 7.5 amps of energy, which is hotter than any other module they offer. They also feature an innovative rev limiter that you can adjust externally (up to 9000 RPM) and the power won’t taper off at high RPM because of its advanced dwell control. From ignitions to distributors, starters to coils, from spark plugs to plug wires, there’s an MSD product to help you get the most out of your engine.

  • 7.5 amps makes them the hottest MSD module
  • Externally-adjustable rev limiter (up to 9000 RPM)
  • Only for non-computer controlled, 4-pin HEI housings
  • Designed to work with MSD and stock distributors
  • Sustained high RPM power thanks to exceptional dwell control
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

1
Will. This part fit. 1987 Mazda b 2000. With a 2.0. Motor ?A shopperFeb 10, 2021
Best Answer:Hi, No, this is not compatible with the 87' B2000 models.
Arnel E.STAFFFeb 10, 2021
1
how is this distribuator module wired in to the 1988 suzuki samuri 1.3l engine ?michael g.Dec 15, 2020
Best Answer:Hello! This module slides into the distributor with built in spade connectors
Mitchell D.STAFFDec 15, 2020
0
Will this part fit a 2007 jeep commander ?James T.Oct 27, 2023
Best Answer:Hi James, thank you for reaching out! Upon checking, it will not fit that vehicle. Have a good one!
Andrew B.STAFFOct 27, 2023
0
What will cause my 2007 Mercedes Benz GL450 to not start? I have recently replaced battery, alternator and starter. Only thing left is ignition switch??? It doesn’t even make a sound when trying to sLonnie J.Apr 16, 2023
Best Answer:Hi Lonnie, thank you for reaching out. We highly recommend that a certified mechanic diagnose your vehicle to pinpoint the part that needs replacement. Have a nice day.
Aldrin P.STAFFApr 16, 2023
0
will this fit my Mazda cx 5 2.0 liter?Jon M.Feb 07, 2023
Best Answer:Hi Jon, I'm pleased to assist you. This is a universal part and not specific to any vehicle. This will fit the HEI stock distributors. If interested in this ignition module, click on the link below to place an order at a discounted price today, while supplies last. I hope this is helpful. Enjoy your CP shopping experience! <a href="https://www.carparts.com/ignition-module/msd/m4683647?can=CPGG4850_CSQA_20230207" target="_blank">https://www.carparts.com/ignition-module/msd/m4683647?can=CPGG4850_CSQA_20230207</a>
Grace G.STAFFFeb 07, 2023