These are hand machined, tig welded 6061-T6 Aluminum. Each end of the main tube have been tapped 1/2" pipe thread. They are custom made by Gold Coast Automotive. This is a limited production part. We have made 10 and will not make any more. Our cost exceeds the market price for this tube.
Each tube has been pressure tested to 100psi at 200F for 60 minutes.