This is the 1965 - 442 - 400 cid B block , it has been acid dipped and inspected for cracks and other damage , it is std bore but will need to be bored as it is being sold as a good core , i have the front cover - timing tab , vibration dampner and cover bolts . The main caps - bolts show no damage Asking $500 plus shipping or you can pick it up , located in Hebron Illinois zip 60034