Summit Racing has introduced its High-Output 4-Pin HEI Performance Module for AMC and GM applications, aimed at delivering stronger spark output and reliable ignition operation. The release comes amid ...
When General Motors introduced the High Energy Ignition (HEI) distributor in the mid-1970s, it was revolutionary. So much so that it still has a strong following among today's hot rodders. Like other ...
Around 1975, General Motors made a significant advancement in stock passenger ignition technology: the High Energy Ignition (HEI). One of its major features was installation simplicity. The coil was ...
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