The stock was 6 phillips head screws holding each valve cover on. But those screws are shite. They have an allen screw upgrade which mightve been done on it. I've never seen aftermarket valve covers. And the gaskets arent attached to the valve covers. But this would be causing the problem of oil in the galley. Drain the oil from it, get new gaskets, and it'll be fine. It usually just causes the engine to sputter a little bit so there might be a bigger problem than that. The gaskets are about $25 each.
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