Pro HEI Distributor 4 Pin Magnetic Pickup Ignition Control Module [83647]

83647 HEAT HEI Module

MSD 83647 HEAT HEI Replacement Module w/ Built-In REV Limiter 4-Pin

MSD Ignition Module 83647; Replacement HEI Module w/Rev-Limiter for GM 4-Pin HEI

MSD Digital GM High Energy Modules with Rev Limiters 83647

MSD 83647 High-Energy Digital HEI Distributor Ignition Module w/ Rev-Limiter

MSD Ignition 83647 High Output HEI Module w/Built-in Rev Limiter for GM

Pro HEI RPM Replacement Ignition Module (Suits New HEI 6000 Series)