1966 #858 Square Port Heads and aluminum #069
 

I have two sets of 3873858 big block square port heads that are complete and rebuilt ready to drop on. First set is dated J-1-5 and J-2-5 and have been ported on the exhaust side and have 2.19 intake and 1.88 exhaust valves $2400. Second set is bone stock with no porting and has stock size 2.19 intake and 1.72 exhaust valves dated D-18-6 and E-2-6 $2800. I also have a mint factory aluminum intake 3885069 dated 10-29-65 $600. 330-770-2517