oil supply to head of 305

[jim milewski]

just to be sure here, I see the oil coming up the right front stud, getting the rocker spindle and crossing over to the intake spindle and getting the outside cam bearing on its way. My head gasket has an O ring on both sides of the head gasket for the front outside studs, but it looks like only the right really gets oil looking at the oil hole on the top of the crankcase which is on the right, so how do the other spindles and bearings get oil?