I got these with a core engine recently. They are the later style C2TE. They look the same as the earlier ones but appear to have a thicker flange for the head pipe.
Both are in very good condition, no visible cracks of problems
275.00 + shipping from sunny so-cal 619-596-0312
http://ford-y-block.com 20 miles east of San Diego, 20 miles north of Mexico