Spool FX-170 Upgraded High Pressure Fuel Pump System | AMG GT/GTS/GTC/GTR [M178] m177.2 (LS2) According to the latest ASTM

According to the latest ASTM guidelines

Fuel lines used in the kit are black nylon coated braided steel with PTFE core that are 100% E85 compatible

The FX-200 is an upgraded high-pressure fuel pump

Our Stage 3 LPFP addresses this with a twin-pump configuration

Why do you need it

Spool FX-170 Upgraded High Pressure Fuel Pump System | AMG GT/GTS/GTC/GTR [M178] m177.2 (LS2) According to the latest ASTMSpool 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