It is the same hose used on TA/AAR 340 cars. Male threads one end,female threads the other. I have/had 2 NOS ones,but have both sold at this weekend show.OE number to cross reference is #3420193
mail threads the other
The 71 parts book show the narrow bumper and the 72 show the wider one.I have NOS of both for my 71 and 72 Demons. Both have the part numbers according to the parts book.