6 6 67GS400 Oct 7, 2009 I have found several 67 GS 400's with heads whose casting numbers suggest a 430 (per the "nailhead castings numbers listing on this website) No. 1382983. Anybody know if these heads might have been factory installed? Thanks
I have found several 67 GS 400's with heads whose casting numbers suggest a 430 (per the "nailhead castings numbers listing on this website) No. 1382983. Anybody know if these heads might have been factory installed? Thanks