What is "cc"size of this head from stock and valve size,thanks

I looked in 4 places and heres the info I found on that head #...

462624.....75-86...350/400

462624.. 76-87.. 1.94/1.50" or 2.02/1.60".. 76 CC Chambers
These are crack prone!


624... 76-86.. 160cc intake port

1979-85 462624 350 1.94"/1.5" valves