ok i am dong some searchs trying to get a set of rings for my truck, cause i need to get my power back and make her purrrrrr,

but i need to find out my bore, i found a set of 3.940 bore rigns off of hughesengines, but i want to make sure i have the right bore...

how can i find this out?

 

3.910" ... what you found are .030 over ... what you would have once you punched it out.