Spool FX-170 Upgraded High Pressure Fuel Pump System | [M133] Ethanol Analyzer Option:Please Include Ethanol Analyzer featuring a larger bore size

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

the analyzer paired with a GM ethanol sensor can display the in-tank fuel's ethanol concentration percentage and fuel temperatures in Fahrenheit

P is the change in pressure

the FX-150 high-pressure fuel pump upgrade

resulting in a more complete burn

Spool FX-170 Upgraded High Pressure Fuel Pump System | [M133] Ethanol Analyzer Option:Please Include Ethanol Analyzer featuring a larger bore sizeSpool 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