High-pressure fuel pumps for 4.0L TFSI engines We have converted the original fuel pumps to achieve a higher fuel pressure and flow rate for your 4.0L TFSI engine. Our upgrade high-pressure pumps deliver a full 50 % more than the standard pumps ! The tappet pump is DLC-coated to reduce wear, friction and corrosion. Suitable for all 4.0 TFSI engines such as the Audi S6, Audi RS6, Audi S7 and Audi S8. Features of the BAR-TEK High-pressure pumps : Increases the petrol pressure thanks to larger piston Standard piston diameter: 10mm, upgrade piston diameter: 11.5mm Less wear and friction thanks to DLC coating 50 % more power than standard pump A must for tuned TFSI engines Tested up to 8500 RPM Plug & Play installation Kit consists of two pieces. The software must be adapted after conversion. Picture similar Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com