I have two types of bolts on the head that I can see. The bolts with studs are 5/8" nuts like you said. There are other bolts which do not have studs and these heads are smaller than 5/8". However, if more than one is 1/2" then they all must be 1/2". This is good news for me.


Thanks,


83 CJ Scrambler I6 4 Speed Manual.
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