A Griffith, I suggest that you join The AMC Forum, here's the first page of Register New Member Forum Rules and Policies | | | | | | | | | | | Forum Rules and Policies | | | There is a section devoted entirely to the I6. The forum is more active, you may have better luck getting assistance there. Good luck, Armand On Wednesday, December 12, 2018, 10:34:59 PM CST, A Griffith <amc.rambler.fan@xxxxxxxxx> wrote: I have: two 80s 258s with plastic rocker covers a '74 258 with a metal cover a '67 232 with a metal cover. Why can't you put metal covers on heads that had the plastic ones? -and- My two 80s 258s have different plastic covers, the bolts are different heights. What's the deal? _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20181213/8d142eec/attachment.html> _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com