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The Moroso GM HEI Durafire ignition module is a replacement electronic module intended as a service substitute for GM HEI Durafire units, listed as a replacement for part numbers 72230 and 72231. It provides the ignition control electronics that pair with compatible HEI distributor assemblies and is offered for installers repairing or upgrading Moroso HEI-equipped ignition systems.
Moroso GM HEI Durafire Ignition Module (Replacement for Part No 72230/72231)
