These fuel tubing kits are commonly used for plumbing in-tank submerged fuel pumps. The flexible convoluted tubing is manufactured from polyamide nylon and is therefore resistant to all fuel types including alcohol blends such as E85 and suitable for EFI fuel pressure. RADIUM P/N: 20-0175, 20-0375, 20-0775, and 20-0875 compatible the following.-Walbro GSS341 255LPH Fuel Pump-Walbro GSS342 255LPH Fuel Pump-AEM 50-1000 Gas Fuel Pump-AEM 50-1200 E85 Fuel Pump-AEM 50-1220 E85 Fuel Pump-Aeromotive 340R 11141 Fuel Pump-Aeromotive 340R 11142 Fuel Pump-Deatschwerks 9-301-1000 Fuel Pump INCLUDES -PA Nylon Convoluted Tubing-Stainless Steel EFI Tube Clamps (x 2) TESTING These tubes have been tested at Radium Engineering. Working Pressure: 300psi Burst Pressure: 450psi