That's a heated PCV valve. Some Vulcans came with it to prevent cold weather from freezing the valve.
Can i clean a heated pcv valve?
Does a PCV valve in a 2008 Jeep Wrangler unlimited with a 3.1 v6 flow in both directions?
Where is the pcv valve of Nissan Sunny 1991?
How often must I change my PCV valve?
I have a 96 Honda Civic bucks and it slips while trying to take off?
Why is there a recirculation of exhaust gases in a car?
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