72 CC Edelbrock heads will work on a 350. May want to try KRE Kauffman Racing in Glenmont Ohio for an additional bump to 65 CC Kauffman Tiger heads.
AFA a 350, I would get with Mark at KRE on what he would recommend as far as a cam.
In my opinion, aluminum heads on a 350 will not yield you much in performance. 72 cc heads will be 9.1 to 1 and 65 cc will bring you in at 9.8. For a $2600 investment, I do not think you will be happy.
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