Spool Stage 3 Low Pressure Fuel Pump | AMG E63 [M177] m177.1 (LS1) According to the latest ASTM

According to the latest ASTM guidelines

Are Tune Changes Required

Upgraded Fuel lines and all necessary install hardware

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

Please make sure you plan out your fuel system build with proper low pressure upgrades when necessary

Spool Stage 3 Low Pressure Fuel Pump | AMG E63 [M177] m177.1 (LS1) According to the latest ASTMSpool 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