Chevy Tri Five Forum banner
997 593 fuelie 270hp 250hp
1-1 of 1 Results
  1. Chit Chat Area, Anything on your mind goes here.
    Looking at head castings and relative dollars. Its obvious the 1957, 1956 castings 539, 997 hold the title of most valuable castings. Only other casting I can think of is the rare early 60s aluminum GM casting.
1-1 of 1 Results