273 Commando PCV valve

I have had my 1966 Plymouth Barracuda Formula S 273 Commando motor rebuilt. I need to replace the PCV valve and this is the only one I can find. It's at Classic Industries and they are asking $140! It's a PCV valve for gods sake. The valve actually unscrews from the housing and comes out to be replaced. Can anyone point me in the right direction?

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