XDI-EVO High Pressure Fuel Pump Set — Mercedes-AMG M177 / M178

The XDI-EVO high-pressure fuel pump set from Xtreme-DI is the fueling backbone for serious M177 / M178 builds. Once you push past bolt-on territory, the factory Bosch HDP5 pumps become the ceiling — the XDI-EVO raises it with 36% more geometric capacity than stock and up to 250 bar of rail pressure, keeping direct-injection fueling stable under E85 blends, big turbos, and aggressive tunes. Set of 2 pumps — direct replacement for OEM Bosch HDP5 (A1770700501 / A1770700401) Up to 250 bar (3,600+ psi) rail pressure capability Plug-and-play with OEM feed lines; self-centering base plates, adapter looms, and hardware included Optional upgraded high-pressure line kit available — select the package option above Fitment2015+ Mercedes-AMG 63 models with the M177 / M178 4.0L BiTurbo V8: C63 / C63 S (W205), E63 / E63 S (W213), GLC63, GLE63 / GLS63, G63, S63, and AMG GT / GT 63.Pumps are built to order by Xtreme-DI — contact us for current lead times. Professional installation recommended; supporting low-pressure fuel system and tuning required to take full advantage.