Lee Intercooler

Question, I have a Lee Intercooler and I'd like to know which is the inlet and the outlet for water flow. It has an off set 1/2" threaded hole on one end (shown in the picture) and a 3/4" threaded brass insert in the center on the other end. I would guess that the larger one is the outlet. If it is, it's pointed right at my distributor and no room for a fitting to connect a hose to. Can some one help. Thank You, Bobby

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Lee Intercooler