This Is A Brand New Polished Aluminum Finned PCV Breather. Our PCV breather features a common replaceable PCV valve with a barbed fitting for 3/8 Inch hose. Includes 1-1/4 grommet to fit most after market valve covers. Easily maintained with a washable filter element. Perfect for your Rat Rod, Hot Rod, Muscle Car, or Custom Car project. Sold Each.