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The oil squirter valves are linked to the piston bottom so we're showing them together. The oil squirters are not simple nozzles, but spring-loaded valves designed to open at 50 psi. And while it's admittedly small, the not-miniscule hole in the squirter is a good clue that the squirter shoots a steady stream of oil, not a mist or spray like a fuel injector. Besides providing the necessary oil volume, the garden hose-like stream allows a more accurate, longer-range aim.