Silicone Hose Coupler, 1 3/4 inch ID, 4 inch Length RE9076.57-BLACK The special heat-shrink polymer sleeves

The special heat-shrink polymer sleeves create a tight seal with uniform pressure all around your hose

The 4-ply reinforcement results in a 5mm wall thickness (70mm / 2 3/4" and 61mm / 2 3/8" OD) and a working pressure rating over 22 psi (110 psi burst pressure)

and you're done

5mm wall thickness (37mm / 1 7/16" OD)

Silicone Hose Coupler, 1 3/4 inch ID, 4 inch Length RE9076.57-BLACK The special heat-shrink polymer sleevesOur silicone hose is built for endurance and performance in custom coolant and intake plumbing applications. Each hose is hand crafted from multiple layers of silicone rubber with polyester reinforcing fabric between the layers. The silicone rubber remains flexible and tough from 50 C to +180 C ( 76 F to 356 F). These 4 inch (102mm) long straight hoses have a 1 3 4" (45mm) ID with a smooth, shiny "wipe down" finish. The 3 ply reinforcement results in