I have at least 5-6 small block chevy blocks. They are ALL GOOD CORES. Most are standard bore blocks.
I do have one 4 bolt main bolt that is .030 and in great shape.
ALL block have been kep indoor and are bare for inspection. I guarentee them all to be good. All were runners when they were disassembled.
2 bolt blocks 125.00
4 bolt block 200.00
I also can ship them. Jim