Re: Need advice on fixing broken rocker stud on Big Block..
There is a tool you can use to machine down the outer valve guide diameter to fit the positive valve stem seals if you want them. Fits in a drill. I've not yet had to do that myself, but there are youtube videos on it. I think Comp Cams is one of the companies that offers it.
Last edited by mattfranklin; 10-12-2017 at 10:55 AM.
Reason: typo
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