GM 3919842 heads value?
i have a pair of GM 3919842 heads dated 8/18/68 and 8/24/68 they are not cracked they do need a rebuild. they do have minor porting done but nothing major just mainly a smooth up job on both intake and exhaust. no repairs that i noticed. im considering selling if valuable but if not im building a 396/375 to put in my truck ill use them on it. just trying to get some opinions on value to decide weather or not to use them. thanks cody.
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