edelbrock heads 340

these heads were on a 408 flat top pistons edelbrock head part number #60779 i know the asking price is close to price they sell for but upgrades are comp springs to 650 lift [springs that come on heads new are lift to 580 ] also comp 10 degree locks and retainers ,[comes with 7 degree ]also took them to my head man he said stage 2 sporting which would cost $400 to $500 , also get ARP HEAD BOLT kit, and set of #1008 felpro gaskets .039 thick they heads also have mag bronze guides nice head if you run dome pistons you can go to cometic gasket