Key Features
Tubing outside diameter: 3-1/2 - 4 inch (89mm - 102mm). Length: 4 inch.
Material: 6061-T6 aluminum. Wall thickness: 2mm.
Tubing inside diameter: 3-3/8 - 3-7/8 inch (86mm - 98mm).
Commonly used in industrial, automotive, marine and aerospace applications. Great for custom fabrication, DIY projects, and welding.
Build your high performance air intake, cooling radiator and heater system, turbo intercooler piping and reducing tubing setup.

OD: 3-1/2" - 4". Length: 4". Wall Thickness: 2mm. HPS 6061 Aluminum Step Up Transition Joiner is commonly used in industrial, automotive, marine and aerospace applications. This product is ideal for custom fabrication projects such as DIY welding, high performance air intakes, cooling radiator and heater systems, turbo intercooler piping and reducing tubing setups.