Dart Little M Block with 400 mains, 4-bolt billet caps, fresh never run +.005" 4.130" bore. Block has never been damaged are hurt in anyway. Block is ready to assemble. Ran 10-12 nights in modified. New price being fully prepped is $2800-3000. Buy this one for $2200. Call Steve at SCP 636-677-1320 or 314-374-5660 cell.