Walbro Motorsport GST535 E85 Fuel Pump (550 liters/hour) The Walbro Motorsport GST535 lets significantly more fuel flow than usual 255 LPH pumps. It delivers up to 550 l/h and has been specifically designed for SuperEthanol E85 in particular its internal components wiring harness specific and secure connections for E85. Allowing easy in-tank installation in place of the OEM pump for many common vehicles and of course remains compatible for use with unleaded or E10 fuels. Particularly quiet and compact this pump is also innovative with its internal pulse width modulation pumping technology which ensures 20% better performance and reliability compared to conventional pumps. The perfect answer for all in-tank installations for more than 800 hp on vehicles used both on the road or on track. The GST535 is particularly suitable for high HP applications on cars such as Nissan 200SX S13 S14 Silvia S15 Skyline R32 R33 R34 Toyota Supra Celica Honda Mitsubishi Lancer Subaru Impreza STI and WRX Nissan 350Z & 370Z BMW M3 and M5 etc. Technical specifications Pump dimensions : diameter from 39 to 50 mm length 130 mm Nominal flow under 12V : 550 l/h at 2.5 bars 456 l/h at 3.0 bars 336 l/h at 5.0 bars (see detailed chart below) Kit contents : Walbro GST535 pump washable filter Specific E85 cables / harness hose and clamps Input diameter : 11 mm Output diameter : 9 mm Use with an adjustable fuel pressure regulator is highly recommended This pump is not equipped with a one-way valve DriftShop is supplied directly from the manufacturer without any intermediary. Our Walbro pumps are 100% authentic and guaranteed for 1 year. The pumps are engraved with the TI Automotive logo manufacturer and owner of the Walbro brand.