As mentioned you are able to measure for ware of the cylinders using a ring the size you want to fit and measuring the end gap.
As a rule or to say what I've found the guides and stem dimensions are are always good. (2 bad intake guides since 1993. Both broken in the middle)
I do the COMPLETE HEAD for $150.00 and that includes every part other than the tappet covers. .......................lm
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garncarz wrote:Hi Ed,
With respect to the valves, I want to be sure they seat correctly and the guides are in good shape. If not, repair/replace. Thanks for the ring part number.