72 340 short block

Yup, old forged pistons... If it's +.040 then it's at the factory recommended limit. I've found the 72=73 blocks to be better in terms of core shift so they may be fine to go larger even for a stroker. If there's rust, I'd plan to have it sonic tested and plan to over bore. It's an ok price but the choices for use now are limited without checking it.