Vettoriale Stock Positive Crankcase Ventilation (PCV Valve). An ignition engine must have a vent valve for internal and external air pressure to prevent wear due to high pressure. Info graphic. | Adobe
12" Cooley Sump Suction - left vent angled 30° - BOSS Surgical Instruments
Diesel Parts Direct - PARKER RACOR CRANKCASE VENTILATION SYSTEM REPLACEMENT ELEMENT CCV55274-08
K&N Crankcase ventilation filter 62-1360 - Crankcase breather filters for motorcycles | RAD