1 inch Aluminum Hose Plug with 5/8-18 Female Port E45.13-BLUE 5 psi 12 psi 11

5 psi 12 psi 11 psi 10 psi 9

The 4-ply reinforcement results in a 5mm wall thickness (93mm / 3 5/8" and 67mm / 2 5/8" OD) and a working pressure rating over 20 psi (100 psi burst pressure)

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

The 95mm ID at one end and 83mm ID at the other end let you connect a 3 3/4" OD tube to a 3 1/4" OD tube

Black silicone rubber only

1 inch Aluminum Hose Plug with 5/8-18 Female Port E45.13-BLUE 5 psi 12 psi 11This special plug makes it easy to add a mechanical temperature gauge to your cooling system. The 1 inch OD fits into the branch of any of our Silicone Coolant Hose Tees (sold separately). The female 5 8 18 threads accept the temperature sensing bulb from an Auto Meter or Stewart Warner mechanical gauge.* Black anodized aluminum for long life. * Some gauge brands require the use of a copper sealing washer where the bulb meets the adapter. A washer is