034Motorsport High Pressure Fuel Pump Piston Upgrade Kit, Audi 4.0T

The 034Motorsport High Pressure Fuel Pump Piston Upgrade Kit is designed to be a drop-in replacement piston for the factory high pressure fuel pumps for the Audi 4.0T engine in the C7 Audi S6/S7/RS6/RS7. Unlock up to 50% more flow over the factory high pressure fuel pump, allowing the fuel system to meet the higher demands for ethanol, race gas, more pump gas! This kit contains 2x High Pressure Fuel Pump Piston & Cylinder Sets.