I have had these heads stowed away for a few years now , I purchased them here locally in Virginia from a friend who took them off of a very strong running 427 motor in a 69 nova as he decided to go with newer aftermarket aluminum heads and I grabbed them as quick as lightning flashes when he said he was going to sell them to fund the new set of heads. I have recently decided I will never use them and I will let them go to someone who will and knows what they are looking for, these are very rare to find and even more rare to find a virgin untouched set like these I have, no repairs ever and I doubt they were ever surfaced either as the deck surface thickness is equal to a nickel or more. The heads are complete with stock springs and valves and retainers. The date codes are very close 10.7.68 and 11.1.68 and have the same z stampings on ends and Y stampings on edge along with the assembly line HC stampings on all four ends, all four winters snowflakes are intact and perfect, these heads will clean up like new and run like a new set too, I guarantee these heads good as I was there when they were removed and I took long rides in the nova while they were on motor running. These are getting very hard to find and almost 50 year old vintage Chevy performance racing heads. Most of these heads you will find are resurfaced a lot and you will need some thick gaskets to make them work, or they have weld repairs in normal places. $4750 and will be shipped safe and secure,, check my feedback,.. call eight zero four 382-9319 with any questions before buying, thanks for your interest and have a blessed day.