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HEAT Digital HEI Module Fits Stock & MSD HEI Distributors
InfoVehicle Info Needed
MSD IGNITIONPART NUMBER: 121-83647

HEAT Digital HEI Module Fits Stock & MSD HEI Distributors

$17005$188.95You Save$18.90
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HEI Module
    HEAT Digital HEI Module
  • Fits Stock & MSD HEI Distributors
  • CARB E.O. #D-40-43




  • 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 8.5 amps of juice!
  • Adjust the rev limiter without removing the cap!
  • Fits in stock HEI distributors
Part TypeIgnition Control Module
BrandMSD IGNITION
Package Height1.5
Package Width6.2
Package Length8.0
Weight0.4 PG
Part CategoryPerformance Parts
Wiring Harness IncludedYes
Module Pin Quantity4
Carb Eo NumberD-40-43 (pdf)
QuantitySold individually
Part FitmentSemi Universal
RpmOEM
Vendor Part Number83647
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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