Spool FX-170 Upgraded High Pressure Fuel Pump System | SL63 AMG [M177] Ethanol Analyzer kit:I would not be installing an Ethanol Content Analyzer This direct OEM replacement offers

This direct OEM replacement offers a straightforward upgrade

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Spool FX-170 Upgraded High Pressure Fuel Pump System | SL63 AMG [M177] Ethanol Analyzer kit:I would not be installing an Ethanol Content Analyzer This direct OEM replacement offersSpool 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