I am in the process of reworking the heads on my 47 Knuck. I noticed that the intake guide has a angle relief on the top and my understanding is it might be that way so oil does not sit on top. I want to use a good quality replacement guide but it seems like a lot of those are flat on the top and they specify using the same guide for intake/exhaust (such as a Kibblewhite guide). Any thoughts or recommendations on whose guide to use is appreciated.
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IMG_3992.jpg
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