Because those two ports that close together kinda look like Chevy heads.
Yes they are chebby heads. "double hump" I was just done shaping them i had not started doing the finish on the runners and bowls yet. I have done quite a few since then including yes import heads. I enjoy the challenges of different type heads, i figure it will only help me in the long run.
gsr head
neon head
well sorry about all the pics of non ford stuff but thought id share. I have some ford heads coming up soon like a 2.3 and a few sets of e7's plus a set of vic jr.s