As pre68 Dave noted, that is not a 216 head. It is either a 235 head or a 261 head.
Sdilecce,
my engine is the original 216. Yours is not a 216 and would not be original to the truck but you might think of it as an upgrade.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!