Walbro GST535 - F90000295 Outperforms all current market in-tank fuel pumps Designed for engines with more than 900 HP  Award-winning OE technology  High-pressure, high-flow performance OEM technology designed and developed for E85 Ethanol Dual channel turbine design for maximum efficiency under high-pressure and high-temperature applications  Made in USA by TI Automotive (parent company of Walbro) Fuel: GAS & E85 Horsepower: 900+ at 60PSI, naturally aspirated applications Over All Pump Length: 131mm Main Housing Diameter: 39mm Lower Housing Diameter: 50mm Fuel Inlet Diameter: 11mm OD Fuel Outlet Diameter: 11mm OD Flow Rate: 535LPH at 40psi Test Voltage: 13.5 Volts Industry Tag: Walbro 535 Note: Pump does NOT have a check valve