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For engines that are experiencing heavy blow-by AND you have enough vertical clearance above the #6 valve cover, then you can add an extension that will greatly mitigate the engine blow-by. Typical length of the valve cover extension is between 4″ – 8″.
Please add an extension kit to my EnviroVent package ($100.00)
If you have chosen to add an extension kit to your EnviroVent product to better mitigate your engine’s blow-by condition, please enter the length in inches that you have available above the #6 valve cover.
Available Vertical Clearance (inches)
Please choose whether you’re replacing an existing Walker AirSEP system.
I have an existing Walker AirSEP CCV System
I DO NOT have an existing Walker AirSEP CCV System