there are no cracks-it was a running engine -was going to rebuild it for back up or more power for towing as i had a CHERRY 89 3/4 TON SUBURBAN-i sold the suburban at carlise pa and bought a dodge diesel for towing etc. as far as align bore goes i do not know.it looked good when taken apart.price is $475.00.obo i can deliver to cortland area for partial help with delivery. my #607-754-3977. will be home most all day. thanks jim e.