1960 – 1968? Pontiac NOS Mystery Positive Crankcase Ventilation Tube GM # unknown

This new old stock crankcase ventilation tube was manufactured by General Motors for use on the following models:

Pontiac unknown  

Not for sale until I know what it is

It found in a 1967 Firebird 984887 ram air package but I don’t think it is part of it

NOTE:  Images show the condition and what is included in the sale.