Looking for info on 2406782 rods

Bottom line, you could use those rods in any 273/318/340 with the right piston and a engine balance. It's easier to use the right rods for the application. It might not cost a ton to get them checked if you can use them. It costs almost as much to recondition with new rod bolts as it costs for a set of new rods. No need to reinventing the wheel.