Designed to be quietly submerged in tank, the Bosch 040 is ideal for keeping high-boost fuel rail pressure when running big injectors.

Here a stock B6 Audi A4 fuel pump is compared to the mighty 0580254040.

- 500 Horsepower-Capable
- Flow at 55 PSI: 175 LPH
- Flow at 75 PSI: 155 LPH
- Inlet: Open (Screen Filter)
- Outlet: M10 x 1.0
- Positive: M6
- Negative: M5