Spool FX-170 Upgraded High Pressure Fuel Pump System | [M157] Ethanol Analyzer Option:Do Not Include Ethanol Analyzer - I have existing Spool Ethanol Analyzer installed facilitating a smoother integration and

facilitating a smoother integration and minimizing the need for extensive modifications

Spool Performance now offers upgraded Silicone inlet pipes to solve this issue

0 low energy technology

The Spool Performance FX-350 stands as a testament to advanced automotive engineering

1 x Ethanol Content Monitor kit with mobile app

Spool FX-170 Upgraded High Pressure Fuel Pump System | [M157] Ethanol Analyzer Option:Do Not Include Ethanol Analyzer - I have existing Spool Ethanol Analyzer installed facilitating a smoother integration andSpool Performance FX 170 High pressure fuel pump upgrade Spool Performance is really excited to introduce our latest product offering to the Mercedes M157 community, the FX 150 high pressure fuel pump upgrade. We have been testing this for almost a year now and here it is finally!! 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