FEULING OIL PUMP CORP. Vented Dipstick - Black 3094

Vented Dipstick - Black This breathing dipstick removes unwanted build-up of blow by, which is found in engines with excessive leakdown through the rings/cylinders (a common issue with large displacement big bore engines), The Feuling Vented Dipstick can help motorcycles that experience what is called oil blow by (when oil is pushed out through the air intake), Dipstick vents excessive crankcase pressure from the oil tank through a breather system consisting of a filter element and umbrella valve, Also a helpful product to release excessive crankcase pressure, Test results show a decrease in wet sumping oil levels