The Edelbrock Adjustable Dual Feed Fuel Line Kit is made from aircraft quality buna-N neoprene hose encased in braided stainless steel. They are temperature, gas and oil resistant. They offer more volume with a single 3/8 NPT inlet with female threads and dual 7/8-20 outlet with male threads. The fuel line is adjustable between the carburetor bowls from 7-1/2 to 11-1/2. It also includes a 1/8 pipe fitting, plug for fuel pressure gauge, etc. The hose nipple is not included.