1 inch Aluminum Hose Plug with NPT Female Port 89 It is designed specifically for

It is designed specifically for connecting 2" (51mm) OD metal intake pipes

The 41mm ID at one end and 35mm ID at the other end let you connect a 1 5/8" OD tube to a 1 3/8" OD tube

5mm wall thickness (101mm / 4" OD)

they look super-trick

Use with our Aluminum Splicing Nipples (HJ76 and HJ57) and Lined Hose Clamps (Part No

1 inch Aluminum Hose Plug with NPT Female Port 89 It is designed specifically forThese special plugs make it easy to add a switch or gauge sender to your cooling system. The 1 inch OD fits into the branch of any of our Silicone Coolant Hose Tees (sold separately). The female NPT threads accept a temperature or pressure switch*, an electrical gauge sender, or even a petcock to bleed air out of the system. Black anodized aluminum for long life. * Note: Grounding type single wire switches will require the addition of a grounding wire