Fake, Posers, Crisis actors Can you ID the sm blk chevy head at bottom what cast numbers and valve size?
Das Beste aus Reader's Digest January 1957 Come see more ads and other things at https://misforgotten2.tumblr.com/
I believe these are "997" heads (3740997) for a 1957 Corvette . 1.72" intake and 1.50" exhaust valves used on a 270 horse 283 (dual quad) motor. They have the staggered valve cover bolt pattern and are very hard to come by now-a-days. More rare than the 283 "fuelie head" .