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The Vent-To-Atmosphere Catch Can Kit (P/N 20-0182) is an open system used for high flowing, high horsepower applications. The closed system options listed above are adequate for most vehicles, however, some loosely built race engines operate with a large amount of boost pressure and the OEM hoses can become too restrictive from excessive blow by.
This VTA kit is intended to be used by itself as the only crankcase vent point. It replaces the stock PCV valve with a high flowing -10AN press-in valve cover fitting and 5/8" ID hose and allows the gasses to vent through the catch can to the atmosphere. This kit installs on the LH strut tower.
Because this kit mounts the catch can behind the battery, there is a chance that there might not be enough room for the included breather filter if a large battery is used. The small vent port at the end of the valve cover is plugged and not used.