I tried some makers' stuffs in the vacuum gauge piping inside the engine room, but it got soft soon with heat.
I tried it with this one and it went well.
It can bear even if the engine full opening time is long on the circuit run.
I was concerned about the larger outer diameter of the hose, but I am satisfied except it.
It is very good as it does not have white powder like conventional vacuum hose of natural rubber and does not deteriorate such as cracking. However, if you order two quantities in a monoterror, attention should be paid because 1 m becomes 2, not 2 m.
I purchased repair parts consistently of my own hobby, purchase as spare parts, self-judgment is still unused, but I got the actual thing and confirmed but it was the actual item as I thought. I would like to repeat if there is opportunity from now on.