Vibrant aluminum joiner coupling is a polished 6063 aluminum sleeve with a 2.75 in tube outside diameter and a 3 in length. Bead-rolled for a controlled profile, it requires minimal surface prep for TIG welding and serves well for custom silicone coupling runs, intercooler end tank fabrication, or welding hose inlets to aluminum radiators. Mirror-polished finish and a one-year limited warranty.
Vibrant Aluminum Joiner Coupling (2.75in Tube O.D. x 3in Overall Length)