Spool Stage 3 Low Pressure Fuel Pump | E550/CLS550/S550 [M278] mercedes 2 x FX-170 upgraded high-pressure

2 x FX-170 upgraded high-pressure fuel pumps

developed specifically for the Mercedes-AMG M276 platform

and the second activates during boost onset for seamless power delivery

particularly in scenarios requiring substantial fuel volumes such as upgraded HPFP and turbo applications

Engineered to overcome the limitations of stock low-pressure fuel pumps

Spool Stage 3 Low Pressure Fuel Pump | E550/CLS550/S550 [M278] mercedes 2 x FX-170 upgraded high-pressureSpool Performance is proud to present the production version of our Stage 3 LPFP (Low Pressure Fuel System) for the Mercedes AMG M278 platform. With the use of high pressure pumps now being able to support DI fueling, we have found the low pressure electric fuel pumps that deliver fuel from the tank to the high pressure pumps to be a bottleneck while chasing high horsepower, especially on E85 fuel. The upgraded stage 3 low pressure pump kits are a