View single post by discogodfather
 Posted: 08-31-2020 03:39 am
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discogodfather



Joined: 09-17-2007
Location: San Francisco, California USA
Posts: 221
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I have a later spare cylinder head off a 75 and seems to have a set of threaded holes with hex plugs above the exhuast ports? Was this part of a smog scheme?