[dlv4540]

Nice set of 1966 big block square port heads casting number 3873858 dated J-1-5 and J-2-5 all rebuilt and ready to bolt on. Thhe heads have been set up for a stock application and have mild porting on the exhaust side and have 2.19 intake and 1.88 exhaust valves. $2500 for the set and any questions I can be reached at 330-770-2517 and can ship if you cannot pick the set up.