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 The FX-350 makes your injectors

The FX-350 makes your injectors flow 40% more fuel before maxing out the injection window limitations

M157 CLS63

What’s Included in the Kit

Spool High-Performance Stainless Steel 10 Micron inline filter unit comprises of an aluminum filter body with an internal high-quality stainless steel washable and 100% E85 compatible ultra-fine mesh 10-micron filter unit

The stock HPFP on the M177 Motors is severely limited in capacity when trying to tune and raise the output of the motor

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 The FX-350 makes your injectorsSpool 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