Andy, I don't know about new designs but Harleys, at least K models in '52, were like that. The oil went in the end of the crank from the cam cover side and was distributed to the crank journal through drilled passages. I'm sure this isn't what you were after. They only used a max of about 12 PSI due to the all roller bearing design.
Keeping the "Hap" in "Happy Holidays"!
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