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Vibrant aluminum joiner coupling is a polished 6063 aluminum sleeve sized for a 2.25 in tube outside diameter and a 3 in length. Bead-rolled for strength and profile control, it requires minimal surface preparation for TIG welding and is useful when building custom silicone coupling sets or fabricating intercooler end tanks. Mirror-polished finish and a one-year limited warranty back the product.
Vibrant Aluminum Joiner Coupling (2.25in Tube O.D. x 3in Overall Length)
