974 casting 360 heads rebuilt with low miles 2.02/1.60 valves

Selling a rebuilt set of 974 casting cast iron heads with a couple hundred miles tops on em. They have a 3 angle valve job, hardened seats,phosphor valve guides,stainless steel 2.02/1.60 valves,Isky dual 575 lift flat tappet springs and steel retainers. No port work was done yet. Decided to get aluminum heads so these are up for grabs! Asking $550 plus shipping/paypal. Pics to serious buyers.