Spool Stage 3 Low Pressure Fuel Pump | AMG C63 [M177] m278 while the secondary pump is

while the secondary pump is programmed to activate during boost

finer fuel droplets lead to more efficient combustion

The FX-170 solves this by increasing fueling capacity by 50%

The stock HPFP on the M276 Motors is severely limited in capacity when trying to tune and raise the output of the motor

1 x FX-200 upgraded high-pressure fuel pump

Spool Stage 3 Low Pressure Fuel Pump | AMG C63 [M177] m278 while the secondary pump isSpool Performance is proud to present the production version of our Stage 3 LPFP (Low Pressure Fuel System) for the Mercedes AMG M177 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