What's a drool tube?
There is a set available on eBag right now. Search "slant six"
That $6 sounds like the seal kit....O-rings only. New one are available, spun Aluminum from Australia, IIRC they are $120AUS a set. Thats $85 US and the ride.
Spark Plug Tube (Machined Aluminium) : suit Slant 6
I got 16 slanty pushrods there for uber cheap from Dan Dutra Himself.Try slantsix.org
back in the day, the ones for a 426 hemi were called seal tubes.They are called drool tubes.