This pump can support up to 700 whp on the s4 on Ethanol.  Will require a relay kit to run, as it consumes too much power for the factory wiring.  This pump is commonly referred to as the Hellcat pump and is the latest offering from Walbro.  


Fits:B5 S4/C5 A6 fuel pump basket, sleeve is required to increase width of pump to that of stock pump, can be obtained at most parts stores.

Free Flow Rate:525 lph

Maximum Pressure (psi):90 psi

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Walbro 525 LPH HELLCAT E85 / Gasoline Fuel Pump

  • Brand: Walbro
  • Product Code: WALBORO525HELLCAT
  • Availability: In Stock
  • $179.00
  • $169.00

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