New LS1 Owners - Newbie Tech - block ?'s and value

I recently found an aluminum ls1 5.3 block for sale and was wondering if these would be a good block for a builder, and what would be a good price? Thank you.

great for building a 346 or a 383 .$500 would be a good price .dose it have the main caps and in their correct spots ?

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These are the photos I have of it, don't know if the freeze plugs are correct. Any help would be appreciated.

Can't view photos.

I did end up buying this block. I was able to get it for 350 so thought it was a good deal. I got the heads off and found a cracked piston. I'm sure that I will find more wrong with it when I get the crank out. I have a couple of questions but should probably start a new thread. I was wondering what could I bore this over to, and if I did would I have to get new heads? Thanks.

id give you $50 for it.

No, ill just keep it and use it for a boat anchor, coffee table, doggie chew toy.