The solid state fuel pumps from Facet are a compact design for use with carburettor equipped engines or as a supply pump to a fuel swirl pot. They require mounting close to the fuel tank and not above it as this will lower the performance of the pump. 3 Different pump models are available -  ROAD  - A 12 volt negative earth pump with a flow rate of 25 gallons per hour and a delivery pressure of 3-4.5 Psi. Ideal for road cars with engines sizes up to 1600cc. FAST ROAD - A 12 volt negative earth pump with a flow rate of 26 gallons per hour and a delivery pressure of 4-7 Psi. Ideal for road cars with engines sizes up to 2000cc or smaller tuned engines. It is recommended that a fuel pressure regulator is used with this pump. COMPETITION - A 12 volt negative earth pump with a flow rate of 28 gallons per hour and a delivery pressure of 7-10 Psi. Ideal for fast road or competition cars with tuned engines up to 2000cc. It is recommended that a fuel pressure regulator is used w