Allstar Performance GM HEI Module — 4 Pin | ALL81208

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This high-performance ignition control module is designed to upgrade stock GM HEI distributors for higher RPM operation. It is a 4-pin module for use in Allstar HEI distributors.Sp ec Sheet: Allstar Spec SheetCompatibility:Fits small block and big block Chevy HEI distributors (except 348 and 409 engines).FAQWhat distributors does this module fit?This module fits Allstar HEI distributors and stock GM HEI-style distributors on small and big block Chevy engines, except 348 and 409.How many pins does this module have?This module has 4 pins.{"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What distributors does this module fit?", "acceptedAnswer": {"@type": "Answer", "text": "This module fits Allstar HEI distributors and stock GM HEI-style distributors on small and big block Chevy engines, except 348 and 409."}}, {"@type": "Question", "name": "How many pins does this module have?", "acceptedAnswer": {"@type": "Answer", "text": "This module has 4 pins."}}]} Show more