First, I don't know what you are working on. If you are working on a 22RE, technically, you can't just vent the PCV. You will create a vacuum leak.
Second, have you ever looking inside the plenum or throttle body of a 22RE? It's always gunked up. Not only is air getting sucked in through the...
I would look for Helicoil or Recoil brands. NAPA sells one of the two. There is a third flavor that some folks prefer, but I don't remember the name right now.
Inventory? For old junk? I can guarantee everything will be special order. Fortunately, the Toyota distribution warehouses are in California as well. They are usually stocked.
Oh, I used to own a 1982 short bed. Really wish I knew then, what I know now.
Anyways, underneath the air cleaner snorkel is a valve. That valve pulls hot air off the exhaust manifold when cold. It should have a foil hose off the manifold (by now, usually MIA). Make sure the valve isn't stuck...