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The Moroso filtered valve cover breather is a clamp-on vent with a 1 inch inner diameter that provides a screened filter element for basic crankcase ventilation. Its clamp-on design allows attachment over valve cover tubes without welding, and the built-in filter helps catch oil mist while allowing vapors to escape. It's a simple, serviceable option for small breather openings.
Moroso Filtered Valve Cover Breather - Clamp-On - 1in ID
