I brough this 1969 340 long block a while back was going to used it but the project did not work out so I am selling the 1969 340 with x heads it is standard bore the man I brought it from had 1 slevee put in block he wanted to keep the block standard it turns real free I pull a piston the rod bearing look new it has a deep oil pan any q uestion get back to me asking $1700 obo