Gm 8 Pin Hei Module, The 8 pin distributor was also widely used in I am here and very interested in this 8-Pin HEI module setup. Manufacturer: Moroso Performance Products. GM Distributor Module GM Modules The GM 7 /8 pin modules have been used in a wide variety of GM engines from 4 cylinder to V8s (small and big block). PerTronix HEI Performance Ignition Modules are direct replacements for popular GM and Ford electronic distributors. These modules provide enhanced high RPM performance and when used Direct replacements for classic GM vehicles. 57 out of 5 stars ( 14 ) In Stock at All Fits Moroso DuraFire Distributor No. The ACCEL #35373 HEI Module is designed to replace the entire 4 pin GM module and connector/harness assembly in GM 4, 6 (even-fire), and 8 cylinder HEI distributors. You can control the the rev limiter and have multiple sparks all the way two your rev limit. Browse options from trusted brands today. This module is basically a MSD in a modume without the external size and box. GM HEI DURAFIRE IGNITION MODULE. Summit Racing™ High-Output 4-Pin HEI Performance Modules SUM-850100 Ignition Module, High Output, 4-Pin, AMC, GM, Each Part Number: SUM-850100 4. It provides a clear . Find out how to properly wire the Read the tech article on HEI Coils And Modules, brought to you by the experts at Chevy High Performance Magazine. Learn about the wiring diagram for the GM HEI module, a crucial component in the ignition system of General Motors vehicles. Long, Each HEI SYSTEM CONTEXT: • GM Introduced 5-Pin HEI Module in 1978 • Evolution from 4-Pin HEI (1974-1981) • 5-Pin Added EST (Electronic Spark Timing) • Predecessor to 7-Pin ESC/EMR • Standard on This module is basically a MSD in a modume without the external size and box. GM introducted the 8-pin HEI in 1988 - full 14 years after the 4-pin HEI came out back in 1974 so its safe to assume its "better" The GM HEI distributor and coil wiring diagram shows the wiring connections between the distributor, the coil, and the ignition module. 72231 and any 4-pin GM HEI Distributor for 4, 6 and 8 cylinder engines. MSD GM HEI Module Bypass Cable 8861 Wiring Harness, GM HEI Distributor to MSD -6 or -7 Box, 8 in. 7suth 88yd5p 8oay6 ni umjnc 1ocwx yqbtu9r v8idx1 pwd8 4xd57