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The Moroso filtered valve cover breather clamps onto a 1-3/8 inch (1.375") opening and features a half-hood design to shield the filter element. Its clamp-on fit avoids welding and the half-hood helps reduce debris entry while the screen traps oil mist. Ideal where a larger, partially shielded breather is needed on compatible valve cover tubes for improved protection.
Moroso Filtered Valve Cover Breather - Clamp-On - Half Hood - 1-3/8in ID
