September 30, 201311 yr Author comment_432648 Ok. got to answer my own question. An E31 head with valves, lifters, cam and thermostat housing less manifolds and valve cover weighed in at 51.8 lbs.Head and cylinder block are no de-carbed, clean and flat for re-assembly tomorrow. Link to comment https://www.classiczcars.com/forums/topic/47503-how-much-does-an-e31-head-weigh/?&page=2#findComment-432648 Share on other sites More sharing options...
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