Spool FX-170 Upgraded High Pressure Fuel Pump System | S63 AMG [M177] Ethanol Analyzer kit:I have an existing Spool Ethanol Content Analyzer requiring no additional modifications or

requiring no additional modifications or software tuning

and coated in black powder for durability

Engineered to overcome the limitations of stock low-pressure fuel pumps

Larger Filtration Element Surface area vs OEM

SAI filter with bracket (US Spec)

Spool FX-170 Upgraded High Pressure Fuel Pump System | S63 AMG [M177] Ethanol Analyzer kit:I have an existing Spool Ethanol Content Analyzer requiring no additional modifications orSpool 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