Spool FX-170 Upgraded High Pressure Fuel Pump System | [M133] Ethanol Analyzer Option:Please Include Ethanol Analyzer The upgraded stage 3 low-pressure

The upgraded stage 3 low-pressure pump kits are a solution for that and it features a twin pump solution with one pump coming in during boost onset

P is the change in pressure

Please make sure you plan out your fuel system build with proper low pressure upgrades when necessary

featuring a larger bore size that delivers approximately 50% more flow compared to the factory pump

Our 10-micron filter unit boasts the best filtration available on the M178 market without any noticeable pressure drop in the low side fuel system

Spool FX-170 Upgraded High Pressure Fuel Pump System | [M133] Ethanol Analyzer Option:Please Include Ethanol Analyzer The upgraded stage 3 low-pressureSpool Performance FX 170 High Pressure Fuel Pump Upgrade What is the FX 170? The FX 170 is an upgraded high pressure fuel pump. The pump features a bigger bore size than stock that translates into roughly 50% more flow when compared to stock. The pump is completely E85 compatible and fully plug and play with no cutting or splicing of any kind required. The added flow will let you run much higher ethanol concentrations and also allow fueling for bigger