EMPI. Oil filler billet with vent. Beetle style engines. This new design makes it much easier to pour the oil into your motor. Made from fully polished 6061 T-6 billet aluminum, it's just the thing to finish off a good looking engine compartment. Supplied with gasket, o-ring and 1/4" NPT - 1/2" barbed hose fitting so breather line hookup is easy.