FEATURES:Flows 255 Liter/Hr (67 US GPH) @ 43 PSI @ 13.5V *In-tank use only / submersible designReliable and quiet turbine impellerCan be used with EFI or carbureted applicationsMay be used in pulse modulated systems (PWM)Center-inlet design. Same fitment as Walbro GSS340(M), GSS307(M) and GSS294M pumps.Each pump individually testedFor gasoline (use with E85 will reduce life expectancy)Integral check-valveOver-pressure safety bypass valveMECHANICAL SPECS:Weight: 355 grams / 0.783 lbsDiameter: 38mm / 1.54" O.D.Body: Black-plated steel with laser etchingInlet: 22mm / 0.866" OD (non-tapered)Outlet: 8mm / 0.315" (with barb)PRV Activation: 90PSI nominalImpeller design: Single-scroll hard-anodized aluminum turbineELECTRICAL SPECS:Recommended operating voltage: 13.5 volts DCMinimum operating voltage: 6 volts DCMax operating voltage: 18 volts DCCurrent draw @ 43.5PSI: 8 amps (13.5VDC)Current draw @ 58.0PSI: 10 amps (13.5VDC)Current draw @ 80.0PSI: 12 amps (13.5VDC)