You can get them chequed. and i would while there out. On a different engine where the gudgen pins are an interferance fit you have heat up the
rod to assemble / disasemble the pistons, and this can leave a slight blueing on the rods, and has been fine, in these circumstances, but i am not
familiure with your type of engine, so i would get them chequed, better to
be safe than sorry.