Abstract: Systems and methods of supplying hydraulic fluid are disclosed. In one embodiment of the present invention, the system comprises a rocker arm shaft having an axis and an outer surface; a rocker arm pivotally mounted on the rocker arm shaft; a bore formed in the rocker arm shaft parallel to the rocker arm shaft axis, the bore having an inner surface; a fluid supply source in communication with the bore; and a divider assembly operatively connected to the bore, wherein at least one hydraulic passage is formed between the rocker arm shaft and the divider assembly.