Need help identifying casting numbers on Head

[mke]

I need to identify the type of heads on my 1966 bb. Not original motor 1972 402 cid

Casting numbers 3856206 D245

 

[allcoupedup]

a quick google search:



Oval port, closed chamber, 1965-1966, 2.06 intake/1.72 exhaust, 97-98 CC combustion chambers, used on 396ci/325HP.

D245 means April 24, 1965

Brian