440 engine identification help

[terminationephx]

i have a 1968 440 from a chrysler 300. it was apparently worked but i am unsure as to what could have potentially been done. i only have to 2 tags that i was hoping to give me a little clarity.

1- is a ARP (automotive racing products) rod bolts part # 145-6002
2- looks like a machine shop tag that has the numbers/letters

on the first row it reads R .010 M .010
on the second row it reads 2.365 2.740

any help in making any sense of these numbers, parts or how they can be applied would be greatly appreciated.

Thanks

 

[YY1]

Looks like the rods and main bearings might have been turned .010 undersize.

Not sure about second line.

 

[arizona satellite]

the second line is the journal size in inches. so the tag is referring to the crankshaft machine work. I would have to think the rods were re sized, cant think that a machine shop would replace rod bolts without re sizing the rods.