034Motorsport Audi 2.9T & 3.0T TFSI EA839 High Pressure Fuel Pump Piston Upgrade Kit

The 034Motorsport High Pressure Fuel Pump Piston Upgrade Kit is designed to be a drop-in replacement piston for the factory high pressure fuel pump for the 2.9T and 3.0T TFSI EA839 engines found in the B9/B9.5 Audi S4/S5/SQ5/RS5, C8 Audi A6/A7/S6/S7, and 4M.5 Audi Q7/Q8. By upgrading the factory high pressure fuel pump with the 034Motorsport High Pressure Fuel Pump Piston Upgrade Kit, the factory fueling limits are raised by up to 37% in 2.9T or 3.0T EA839 engines. This increased flow allows the fuel system to meet the higher demands for ethanol, race gas, more pump gas, and pairs perfectly with all Dynamic ECU software that requires an upgraded High Pressure Fuel Pump! Features: Yields up to 37% Flow Increase Over the Factory High Pressure Fuel Pump Increased Piston Diameter Stock Piston: 10.00mm 034Motorsport Piston: 11.67mm Raises the Factory Fueling Limits Present in 2.9T and 3.0T Engines Increased Flow to Meet the Demands of E85 Optimized Tunes and Turbo Upgrades Required for Most Stage 1 , 2 , and Stage 3 Performance Software Fuel Pump Internals Precision-Machined to Aerospace Tolerances DLC Coated Piston and Cylinder for Reduced Friction and Increased Performance Matched Piston and Cylinder for Absolute Precision Relatively Easy Installation Included: 1x Pump Piston & Cylinder Set Fitment: 2018 – Present Audi S4 3.0T 2018 – Present Audi S5 3.0T 2018 – Present Audi SQ5 3.0T 2018 – Present Audi RS5 2.9T 2019 – Present Audi A6 3.0T 2019 – Present Audi A7 3.0T 2019 – Present Audi S6 2.9T 2019 – Present Audi S7 2.9T 2019 – Present Audi Q8 3.0T 2020 – Present Audi Q7 3.0T 2019 – Present Porsche Macan Turbo 2.9T 2020 – Present Porsche Macan GTS 2.9T 2021 – Present Porsche Macan S 2.9T Additional Information Brand 034Motorsport