Brand new Buick 350 pistons with new wrist pins. These are 030 over - bore size is 3.830. Compression height is 1.862. Wrist pin diameter is 0.940. Part number is H522P which is a hypereutectic cast piston with valve reliefs. $200 plus shipping. EDIT - price reduced to $150.
Sorry Chris but I do not know what the compression ratio is. There are several threads with the part number H522P listed hut I have not researched all of them completely.