Edelbrock 4203 Race Bolt Down Die Cast Breather Polished

Race Bolt Down Die Cast Breather - Polished Edelbrock part #4203 Aluminum Racing Breather is a polished die-cast tall breather which can be custom mounted to any flat top surface of the valve cover. The smooth removeable lid has a traditional look. The base contains a reticulated foam element to allow gases through while trapping oil.