1968 #840 Heads Square Port Heads 396 & 427
 

I have a couple of single 3919840 heads bare dated C-11-8 and F-18-8 that have the screw in studs and guide plates only. The heads are not ported but do have 1.88 size exhaust valves. Will sell them as a pair for $1100 or seperate the two out as singles. 330-770-2517