Solid state fuel pump kit for normal road use, delivering fuel at rate of up to 12 gallons per hour at a pressure of 2.5 to 3.0 psi (pounds per square inch) can only be fitted to negative earth systems. must be fitted within 300mm of fuel tank, and will prime a dry fuel system to a height of 300mm. size 60mm x 48mm. thread 1/8" NPTF. kit comprises pump, 2 unions, filter and 2 mounting rubbers.