1980 k5 u-bolts

[k5kid1228]

hello i wanted to confirm the size of my ubolts for my 12-bolt rear. are they: 5/8"X 3 inch tube diameter and i have a block lift so i am getting them like 13-14 inches long but really i just need to know the axle tube diameter thanks

 

[ColAdo82K5]

you are correct. 10 and 12 bolt axles are 3 inch diameter.