mackdaddytruckfixer Posted Sunday at 01:47 AM Share Posted Sunday at 01:47 AM Quote Link to comment https://www.bigmacktrucks.com/topic/76286-need-good-engine-brake-for-e7-350-mechanical/ Share on other sites More sharing options...
The Heinz Posted yesterday at 03:00 PM Share Posted yesterday at 03:00 PM The OEM engine brakes for those years of E7's are Jacobs 680B models. You can usually find used ones for sale online, as I'm not sure if you can get new assemblies since Cummins absorbed Jacobs. Quote Link to comment https://www.bigmacktrucks.com/topic/76286-need-good-engine-brake-for-e7-350-mechanical/#findComment-588503 Share on other sites More sharing options...
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