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 be only E55 containing 55%

be only E55 containing 55% ethanol

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

Improved Fuel Atomization: The higher pressure of the FX-350 aids in better atomization of fuel

M157 CLS63

facilitating a smoother integration and minimizing the need for extensive modifications

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 be only E55 containing 55%Spool 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