Billet dipsticks vent/breathe excessive crank case pressure from the oil tank through a PCV style breather, consisting of an oil separator system, perforated disc, replaceable filter element and umbrella flapper valveScrews into the factory oil fill spout as a stock replacement partBlowby is pressur..
Billet dipsticks vent/breathe excessive crank case pressure from the oil tank through a PCV style breather, consisting of an oil separator system, perforated disc, replaceable filter element and umbrella flapper valveScrews into the factory oil fill spout as a stock replacement partBlowby is pressur..