i need a little 340 help. Lets Talk head gaskets

That part number head is designed to be used with a factory high comp 340 piston. They take a standard rpm head and machine it 060 to get there. I bet a standard rpm head 60779 would be just fine. You can get new heads or new pistons, pick one.
thanks but the heads you refer to have less clearance then the ones i have see the attached pics. i have both sets of heads.

60179.jpg

60779.jpg